soc: pmc: add interface to configure led breathing

soc: pmc: add interface to configure led breathing

In Tegra210b01 SOC LED breathing functionality added
and led breathing control is through PWM signal,
add interface to update led breathing parameters
from client driver to control lead breathing feature.

Bug 1825451

Change-Id: I98733394b3346743297e0a9a035b3973bc2812bf
Signed-off-by: Venkat Reddy Talla <vreddytalla@nvidia.com>
Reviewed-on: http://git-master/r/1467404
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
(cherry picked from commit 50bd9575291764e56da7d608720c00fb2e312f2f)