dt-bindings: marvell,mmp2: Add clock id for the Audio clock

This clocks the Audio block.
Signed-off-by: Lubomir Rintel <lkundrak@v3.sk>
Acked-by: Rob Herring <robh@kernel.org>
Link: https://lkml.kernel.org/r/20200519224151.2074597-5-lkundrak@v3.skSigned-off-by: Stephen Boyd <sboyd@kernel.org>

include/dt-bindings/clock/marvell,mmp2.h

@@ -89,6 +89,7 @@
 #define MMP3_CLK_GPU_3D			MMP2_CLK_GPU_3D
 #define MMP3_CLK_GPU_2D			125
 #define MMP3_CLK_SDH4			126
+#define MMP2_CLK_AUDIO			127
 
 #define MMP2_NR_CLKS			200
 #endif