ecore_fb: Add missing tslib dependency

If EFL is built with tslib support, which is used by ecore_fb, then we
need to add a dependency on tslib else the build will fail to compile
(undefined reference to ts_open function).

src/lib/ecore_fb/meson.build

@@ -1,6 +1,10 @@
 ecore_fb_deps = [ecore, ecore_input]
 ecore_fb_pub_deps = [eina]
 
+if get_option('tslib')
+  ecore_fb_deps += dependency('tslib')
+endif
+
 ecore_fb_header_src = [
   'Ecore_Fb.h'
 ]