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

Add programming sequence support for managing the Agera PLLs.

Signed-off-by: Taniya Das <tdas@codeaurora.org>
Link: https://lore.kernel.org/r/1602873815-1677-3-git-send-email-tdas@codeaurora.org


Signed-off-by: Stephen Boyd <sboyd@kernel.org>