omapfb: suspend/resume only if FB device is already initialized
omapfb: suspend/resume only if FB device is already initialized

Check wether fbdev is NULL in suspend / resume functions. Fbdev is
NULL, if there is no lcd or it is not enabled in configuration.

Signed-off-by: Jouni Hogander <085d66a9900c8b677ba4df37738c0e3f3fd37ea8@nokia.com>
Signed-off-by: Tony Lindgren <1001e8702733cced254345e193c88aaa47a4f5de@atomide.com>
Signed-off-by: Imre Deak <fbd5edba1988036c8923f0cca0cce6ac4811db29@nokia.com>
Acked-by: Krzysztof Helt <e36322531041744f35a39a40f0faffcfb5b388ff@wp.pl>
Signed-off-by: Andrew Morton <5c1e68b099950c134891f0b6e179498a8ebe9cf9@linux-foundation.org>
Signed-off-by: Linus Torvalds <69652caca27c8b940640ad396ab71f93cacec34f@linux-foundation.org>

KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs