clk: qcom: clk-alpha-pll: Add support for controlling huayra PLLs

Add support for initial configuration and programming sequence
for controlling huayra PLLs. Also add list register op to dump
the register contents from debugfs and also in cases of failure
of PLL.

Change-Id: I05bc3f5d6a7f87ab169775f68260b86f283d958b
Signed-off-by: Naveen Yadav <naveenky@codeaurora.org>