docs: harmonize AT-SPI writing in all eo files.

AT-SPI is how I find it written in most places. Align to this in our docs.

src/lib/elementary/elm_atspi_app_object.eo

@@ -1,6 +1,6 @@
 class Elm.Atspi.App.Object (Efl.Object, Elm.Interface.Atspi_Accessible)
 {
-   [[ATSPI application object class]]
+   [[AT-SPI application object class]]
    legacy_prefix: elm_atspi_app_object;
    data: Elm_Atspi_App_Object_Data;
    implements {

src/lib/elementary/elm_atspi_bridge.eo

@@ -1,6 +1,6 @@
 class Elm.Atspi.Bridge (Efl.Object)
 {
-   [[ATSPI bridge class]]
+   [[AT-SPI bridge class]]
    legacy_prefix: elm_atspi_bridge;
    eo_prefix: elm_obj_atspi_bridge;
    event_prefix: elm_atspi_bridge;

src/lib/elementary/elm_interface_atspi_accessible.eo

@@ -192,20 +192,20 @@ enum Elm.Atspi.Relation_Type
    last_defined, [[Last enum entry sentinel]]
 }
 
-type Elm.Atspi.State_Set: uint64; [[ATSPI object state set.]]
+type Elm.Atspi.State_Set: uint64; [[AT-SPI object state set.]]
 
-struct Elm.Atspi.Event.Handler; [[ATSPI event listener]]
+struct Elm.Atspi.Event.Handler; [[AT-SPI event listener]]
 
 struct Elm.Atspi.Event.State_Changed.Data
 {
-   [[ATSPI state changed event data]]
+   [[AT-SPI state changed event data]]
    type: Elm.Atspi.State_Type; [[Type of the state changed event]]
    new_value: bool; [[New value]]
 }
 
 struct Elm.Atspi.Event.Geometry_Changed.Data
 {
-   [[ATSPI geometry changed event data]]
+   [[AT-SPI geometry changed event data]]
    x: int; [[X coordinate]]
    y: int; [[Y coordinate]]
    width: int; [[Width]]
@@ -214,35 +214,35 @@ struct Elm.Atspi.Event.Geometry_Changed.Data
 
 struct Elm.Atspi.Event.Children_Changed.Data
 {
-   [[ATSPI children changed event data]]
+   [[AT-SPI children changed event data]]
    is_added: bool; [[Child is added or not]]
    child: Efl.Object; [[Child object]]
 }
 
 struct Elm.Atspi.Attribute
 {
-   [[ATSPI Attribute]]
+   [[AT-SPI Attribute]]
    key: string; [[Attribute key]]
    value: string; [[Attribute value]]
 }
 
 struct Elm.Atspi.Relation
 {
-   [[ATSPI Relation]]
+   [[AT-SPI Relation]]
    type: Elm.Atspi.Relation_Type; [[Relation type]]
    objects: list<Efl.Object>; [[List with relation objects]]
 }
 
-type Elm.Atspi.Relation_Set: list<Elm.Atspi.Relation *>; [[Elementary ATSPI relation set type]]
+type Elm.Atspi.Relation_Set: list<Elm.Atspi.Relation *>; [[Elementary AT-SPI relation set type]]
 
 mixin Elm.Interface.Atspi_Accessible ()
 {
-   [[ATSPI accessible mixin]]
+   [[AT-SPI accessible mixin]]
    eo_prefix: elm_interface_atspi_accessible;
    data: Elm_Interface_Atspi_Accessible_Data;
    methods {
       @property localized_role_name @protected {
-         [[Gets an localized string describing ATSPI widget role name.]]
+         [[Gets an localized string describing AT-SPI widget role name.]]
          get {
          }
          values {
@@ -250,7 +250,7 @@ mixin Elm.Interface.Atspi_Accessible ()
          }
       }
       @property name {
-         [[String describing ATSPI widget role name. Should be free by a user.]]
+         [[String describing AT-SPI widget role name. Should be free by a user.]]
          get {
          }
          set {
@@ -260,7 +260,7 @@ mixin Elm.Interface.Atspi_Accessible ()
          }
       }
       @property relation_set @protected {
-         [[Gets an string describing ATSPI widget role name. Lists and elements Should be free by a user.]]
+         [[Gets an string describing AT-SPI widget role name. Lists and elements Should be free by a user.]]
          get {
          }
          values {
@@ -268,7 +268,7 @@ mixin Elm.Interface.Atspi_Accessible ()
          }
       }
       @property role {
-         [[The role of the widget in ATSPI Accessibility domain.]]
+         [[The role of the widget in AT-SPI Accessibility domain.]]
          get {
          }
          set {

src/lib/elementary/elm_interface_atspi_action.eo

@@ -1,6 +1,6 @@
 mixin Elm.Interface.Atspi_Action ()
 {
-   [[ATSPI action mixin]]
+   [[AT-SPI action mixin]]
    eo_prefix: elm_interface_atspi_action;
    data: null;
    methods {

src/lib/elementary/elm_interface_atspi_component.eo

@@ -1,6 +1,6 @@
 mixin Elm.Interface.Atspi_Component ()
 {
-   [[ATSPI component mixin]]
+   [[AT-SPI component mixin]]
    eo_prefix: elm_interface_atspi_component;
    data: null;
    methods {

src/lib/elementary/elm_interface_atspi_image.eo

@@ -1,6 +1,6 @@
 mixin Elm.Interface.Atspi_Image ()
 {
-   [[ATSPI image mixin]]
+   [[AT-SPI image mixin]]
    eo_prefix: elm_interface_atspi_image;
    data: null;
    methods {

src/lib/elementary/elm_interface_atspi_widget_action.eo

@@ -1,8 +1,8 @@
-type Elm_Atspi_Action: __undefined_type; [[Elementary ATSPI action type]]
+type Elm_Atspi_Action: __undefined_type; [[Elementary AT-SPI action type]]
 
 mixin Elm.Interface.Atspi_Widget_Action (Elm.Interface.Atspi_Action)
 {
-   [[ATSPI widget action mixin]]
+   [[AT-SPI widget action mixin]]
    eo_prefix: elm_interface_atspi_widget_action;
    data: null;
    methods {