We don't need to read-modify-write the CCR register; we already know
what value it should contain at this point.  Use the cached CCR value
when setting the enable bit.
Acked-by: NTony Lindgren <tony@atomide.com>
Acked-by: NVinod Koul <vinod.koul@intel.com>
Signed-off-by: NRussell King <rmk+kernel@arm.linux.org.uk>