dt-bindings: clocks: gcc-msm8998: Add GCC_MMSS_GPLL0_CLK definition

Add new clock definition to gcc-msm8998 dt-bindings.

Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@somainline.org>
Link: https://lore.kernel.org/r/20210114221059.483390-2-angelogioacchino.delregno@somainline.org


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