cpufreq: OMAP: specify range for voltage scaling
cpufreq: OMAP: specify range for voltage scaling

Specify voltage in ranges for regulator. Range
used is tolerance specified for OPP.

This helps to achieve DVFS with a wider range of
regulators.

Cc: Kevin Hilman <f9849b02abe18c1ece6bd40346458ed53f49d31b@ti.com>
Cc: Sekhar Nori <946cfb81282bb55c59f600e7ee3d3b2c6973f7a3@ti.com>
Signed-off-by: Afzal Mohammed <e2d4496628a80d9d19704e42be4aec0b278f228a@ti.com>

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