clk: qcom: gcc-msm8994: Add proper msm8992 support

MSM8992 is a cut-down version of MSM8994, featuring
largely the same hardware.

Signed-off-by: Konrad Dybcio <konrad.dybcio@somainline.org>
Link: https://lore.kernel.org/r/20210923162645.23257-8-konrad.dybcio@somainline.org


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