ARM and x86 platform defines are identical, so they can be kept in a
common file.
Change-Id: I6f79cadb2e5ce265e4a5a7a0806379dc8793e539
Reviewed-by: Fabian Bumberger <fbumberger@rim.com>
Reviewed-by: Rafael Roquetto <rafael.roquetto@kdab.com>
Reviewed-by: Wolfgang Bremer <wbremer@blackberry.com>
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@digia.com>
