platform/x86: remove use of __devinit

platform/x86: remove use of __devinit

CONFIG_HOTPLUG is going away as an option so __devinit is no longer
needed.

Signed-off-by: Bill Pemberton <wfp5p@virginia.edu>
Cc: Joey Lee <jlee@novell.com>
Cc: Matthew Garrett <mjg@redhat.com>
Cc: Peter Feuerer <peter@piie.net>
Cc: Corentin Chary <corentincj@iksaif.net>
Cc: Cezary Jackiewicz <cezary.jackiewicz@gmail.com>
Cc: Robert Gerlach <khnz@gmx.de>
Cc: Ike Panhc <ike.pan@canonical.com>
Cc: platform-driver-x86@vger.kernel.org
Cc: acpi4asus-user@lists.sourceforge.net
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>