This patch adds support for omap2 type aplls, which have gating and
autoidle functionality.
Signed-off-by: NTero Kristo <t-kristo@ti.com>

The patch adds support for DRA7 PCIe APLL. The APLL
sources the optional functional clocks for PCIe module.

APLL stands for Analog PLL. This is different when comapred
with DPLL meaning Digital PLL, the phase detection is done
using an analog circuit.
Signed-off-by: NJ Keerthy <j-keerthy@ti.com>
Signed-off-by: NTero Kristo <t-kristo@ti.com>
Acked-by: NTony Lindgren <tony@atomide.com>
Signed-off-by: NMike Turquette <mturquette@linaro.org>