msm: footswitch: add missing clocks for footswitch pcom

Please note that I still can't tell for sure if the power rail
is actually turned on or not.

Signed-off-by: marc1706 <admin@m-a-styles.de>
msm: clocks: use leo's own clock driver

This should cause less issues since we now have a centralized clock
file.

Signed-off-by: marc1706 <admin@m-a-styles.de>