dt-bindings: marvell,mmp2: Add clock ids for the HSIC clocks

There are two USB HSIC controllers on MMP2 and MMP3.

Link: https://lore.kernel.org/r/20191220065314.237624-2-lkundrak@v3.skSigned-off-by: Lubomir Rintel <lkundrak@v3.sk>
Acked-by: Stephen Boyd <sboyd@kernel.org>
Signed-off-by: Olof Johansson <olof@lixom.net>

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

@@ -72,6 +72,8 @@
 #define MMP2_CLK_CCIC1_PHY		118
 #define MMP2_CLK_CCIC1_SPHY		119
 #define MMP2_CLK_DISP0_LCDC		120
+#define MMP2_CLK_USBHSIC0		121
+#define MMP2_CLK_USBHSIC1		122
 
 #define MMP2_NR_CLKS			200
 #endif