clk: tegra: Enable hardware control of SATA PLL

This makes the SATA PLL be controlled by hardware instead of software.
This is required for working SATA support.

Signed-off-by: Mikko Perttunen <mperttunen@nvidia.com>
Acked-by: Stephen Warren <swarren@nvidia.com>

diff --cc drivers/clk/tegra/clk-pll.c
Simple merge