Add a Meson option to enable/disable Plymouth HiDPI support.

Author: rreina

meson.build

@@ -51,4 +51,8 @@ subdir('skel')
 subdir('gtk')
 
 # Plymouth HiDPI support
-subdir('plymouth')
+if get_option('enable-plymouth-hidpi')
+    subdir('plymouth')
+else
+    message('Plymouth HiDPI support disabled.')
+endif

meson_options.txt

@@ -17,3 +17,9 @@ option('default-gsettings-overrides',
        type: 'boolean',
        value: true,
        description: 'Install default Pantheon GSettings Overrides')
+
+option('enable-plymouth-hidpi',
+       type: 'boolean',
+       value: true,
+       description: 'Enable Plymouth HiDPI support.')
+