clk: tegra: Fix enabling of PLLE
clk: tegra: Fix enabling of PLLE

When enabling the PLLE as its final step, clk_plle_enable() would
accidentally OR in the value previously written to the PLLE_SS_CTRL
register.

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

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