soc/tegra: pmc: Remove unnecessary return statement
soc/tegra: pmc: Remove unnecessary return statement

Functions returning no value don't need an explicit return statement.

Signed-off-by: Thierry Reding <3055038c414aef68bf32c33b8118623e7554e0f2@nvidia.com>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs