docs: fix the last missing enum field docs all over the tree

With this comit we reach 100% eo doc coverage for enum fields. Keep it like
this. :)

src/lib/ecore_con/efl_network.eo

@@ -26,7 +26,7 @@ enum Ecore.Con.Type
    no_proxy = (1 << 8), [[Disable all types of proxy on the server
                          Note: Only functional for clients
                          @since 1.2]]
-   socket_activate = (1 << 9)
+   socket_activate = (1 << 9) [[Indicate if the type is socket activated]]
 }
 
 abstract Efl.Network (Efl.Object) {

src/lib/efl/interfaces/efl_orientation.eo

@@ -4,7 +4,7 @@ enum Efl.Orient
 
      See also @Efl.Orientation
    ]]
-   none = 0,
+   none = 0, [[default, same as up]]
    up = 0, [[orient up]]
    right = 90, [[orient right]]
    down = 180, [[orient down]]

src/lib/elementary/efl_ui_win.eo

@@ -11,7 +11,7 @@ enum Efl.Ui.Win.Type
    ]]
    legacy: efl_ui_win;
 
-   unknown = -1,
+   unknown = -1, [[Default, unknown, type]]
    basic, [[A normal window. Indicates a normal, top-level window. Almost every
             window will be created with this type.]]
    dialog_basic, [[Used for simple dialog windows.]]

src/lib/elementary/elm_general.eot

@@ -227,7 +227,7 @@ enum Elm.Prefs.Item_Type
    [[Elm Prefs item types.
      @since 1.8]]
    legacy: elm_prefs_type;
-   unknown = 0,
+   unknown = 0, [[Unknown type]]
    action, [[action type, bound to button-like UI elements]]
    bool, [[boolean type, bound to checkbox-like UI elements]]
    int, [[integer type, bound to spinner-like UI elements]]

src/lib/elementary/elm_gesture_layer.eo

@@ -6,7 +6,7 @@ enum Elm.Gesture.Type
      Enum of supported gesture types.
    ]]
    legacy: elm_gesture;
-   first = 0,
+   first = 0, [[First type used for iteration over the enum]]
    n_taps, [[N fingers single taps]]
    n_long_taps, [[N fingers single long-taps]]
    n_double_taps, [[N fingers double-single taps]]

src/lib/elementary/elm_glview.eo

@@ -22,7 +22,7 @@ enum Elm.GLView.Mode
      See elm_opengl_page
    ]]
    legacy: elm_glview;
-   none    = 0,
+   none    = 0, [[Default mode]]
    // 0x1 is reserved for future use
    alpha   = (1<<1), [[Alpha channel enabled rendering mode]]
    depth   = (1<<2), [[Depth buffer enabled rendering mode (24 bits by default)]]

src/lib/evas/canvas/efl_canvas_text_cursor.eo

@@ -1,8 +1,8 @@
 enum Efl.Canvas.Text.Cursor.Type
 {
    [[Text cursor types]]
-   before,
-   under
+   before, [[Cursor type before]]
+   under [[Cursor type under]]
 }
 
 class Efl.Canvas.Text.Cursor (Efl.Object)

src/lib/evas/canvas/evas_table.eo

@@ -4,9 +4,9 @@ enum Evas.Object_Table.Homogeneous_Mode {
 
        See @Evas.Table.homogeneous for an explanation of the function of each one.]]
      legacy: Evas_Object_Table_Homogeneous;
-     none = 0,
-     table = 1,
-     item = 2
+     none = 0, [[No mode specified]]
+     table = 1, [[Table mode]]
+     item = 2 [[Item mode]]
 }
 
 class Evas.Table (Efl.Canvas.Group.Clipped)