clocksource: Fix bug with max_deferment margin calculation
clocksource: Fix bug with max_deferment margin calculation

In order to leave a margin of 12.5% we should >> 3 not >> 5.

CC: 4fbacc2fa0ffdbb11bf1ad6925b886ebd08dd15f@kernel.org
Signed-off-by: Yang Honggang (Joseph) <a3d828f0cca509db3bf05f4ee54a3406f77fd73a@gmail.com>
[jstultz: Modified commit subject]
Signed-off-by: John Stultz <33837adfb53316eae44aad04041e1240088d76fd@linaro.org>

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