pwm: ftm: Add Power Management support for FTM PWM
pwm: ftm: Add Power Management support for FTM PWM

Add PM support for FTM PWM driver using callback function suspend
and resume in .driver.pm of platform_driver.

Signed-off-by: Xiubo Li <cf2f21a5d63bafab3dac1a48e01d31cd0b77ab89@freescale.com>
Signed-off-by: Thierry Reding <b75a4d02013b0e68ae2c6bb0dcfd4b7bec282dc9@gmail.com>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs