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The current definition of C-states starts from base 1.
Whereas, the cpuidle driver uses base 0. This patch
eliminates need for explicit mapping (add/ sbutract)
due to different base values.
Signed-off-by: Sanjeev Premi <premi@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>