clk: rockchip: add bindings for the mmc clocks

These clocks represent the physical clocks (including phases) and they will
later be used for clock phase tuning.
Suggested-by: NHeiko Stuebner <heiko@sntech.de>
Signed-off-by: NAlexandru M Stan <amstan@chromium.org>
Signed-off-by: NHeiko Stuebner <heiko@sntech.de>

include/dt-bindings/clock/rk3288-cru.h

@@ -72,6 +72,14 @@
 #define SCLK_HEVC_CABAC		111
 #define SCLK_HEVC_CORE		112
 #define SCLK_I2S0_OUT		113
+#define SCLK_SDMMC_DRV		114
+#define SCLK_SDIO0_DRV		115
+#define SCLK_SDIO1_DRV		116
+#define SCLK_EMMC_DRV		117
+#define SCLK_SDMMC_SAMPLE	118
+#define SCLK_SDIO0_SAMPLE	119
+#define SCLK_SDIO1_SAMPLE	120
+#define SCLK_EMMC_SAMPLE	121
 
 #define DCLK_VOP0		190
 #define DCLK_VOP1		191