clk: qcom: rpmh: Add support for RPMH clocks on SC7280

Add support for RPMH clocks on SC7280 SoCs.

Signed-off-by: Taniya Das <tdas@codeaurora.org>
Link: https://lore.kernel.org/r/1612977230-11566-3-git-send-email-tdas@codeaurora.org


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