clk: qcom: gcc-msm8994: Add modem reset

This will be required to support the modem.

Signed-off-by: Konrad Dybcio <konrad.dybcio@somainline.org>
Link: https://lore.kernel.org/r/20210923162645.23257-7-konrad.dybcio@somainline.org


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