backlight: convert pwm_bl to dev_pm_ops
backlight: convert pwm_bl to dev_pm_ops

Should be no functional changes, mainly a reorganisation to support future
work.

[5c1e68b099950c134891f0b6e179498a8ebe9cf9@linux-foundation.org: fix CONFIG_PM=n build]
Signed-off-by: Mark Brown <b51b9a92386687a9ac927cebfa0f978adeb8cea5@opensource.wolfsonmicro.com>
Cc: Richard Purdie <a03894c799ea916bd571ce8f12ed88f6fb3400f7@rpsys.net>
Cc: Florian Tobias Schandinat <9843642cd7809d7c6d8c25ac9e4b0e2f1b5283bf@gmx.de>
Signed-off-by: Andrew Morton <5c1e68b099950c134891f0b6e179498a8ebe9cf9@linux-foundation.org>
Signed-off-by: Linus Torvalds <69652caca27c8b940640ad396ab71f93cacec34f@linux-foundation.org>

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