x86: UV RTC: Fix early expiry handling
x86: UV RTC: Fix early expiry handling

Tune/fix early timer expiry handling and return correct early timeout value
for set_next_event.

Signed-off-by: Dimitri Sivanich <eb9314cd9fb6c9c1ab10792809da7e2f4af25acd@sgi.com>
LKML-Reference: <825f74b4005fa634569dc5a123eefe316eaea7a0@sgi.com>
Signed-off-by: Ingo Molnar <9dbbbf0688fedc85ad4da37637f1a64b8c718ee2@elte.hu>

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