msm: idle-v7: Write Krait-specific bits before WFI
msm: idle-v7: Write Krait-specific bits before WFI

Certain variants of the Krait processor require a
modification of an implementation-defined register prior to
executing the WFI instruction.

Change-Id: I6f0ff0b7622f00003d6e80e04514883d75a715a2
Signed-off-by: Stepan Moskovchenko <4b3f23b045e38e54cffd83d34440316666b35af9@codeaurora.org>

TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas