posix-timers: Convert timer_gettime() to clockid_to_kclock()
posix-timers: Convert timer_gettime() to clockid_to_kclock()

Set the common function for CLOCK_MONOTONIC and CLOCK_REALTIME kclocks
and use the new decoding function.

Signed-off-by: Thomas Gleixner <00e4cf8f46a57000a44449bf9dd8cbbcc209fd2a@linutronix.de>
Acked-by: John Stultz <2dbbc9a029f6af74f2c2786ce8fa25d932fcaf8c@us.ibm.com>
Tested-by: Richard Cochran <2eabbd0f89b6b46e7c9d3cb1c3b33a9d26b4d87d@omicron.at>
LKML-Reference: <6b55d10d0486d46d90064594e3dc89b10fcfa3d6@linutronix.de>

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