clk: rockchip: Add div50 clock-ids for sdmmc on px30 and nandc

EMMC and SDIO already have these clock-ids (still unused) only sdmmc is
missing them, so fix that.

Signed-off-by: Finley Xiao <[email protected]>
Signed-off-by: Heiko Stuebner <[email protected]>
Link: https://lore.kernel.org/r/[email protected]

Author: finley1226

include/dt-bindings/clock/px30-cru.h

@@ -85,6 +85,8 @@
 #define SCLK_EMMC_DIV50		83
 #define SCLK_DDRCLK		84
 #define SCLK_UART1_SRC		85
+#define SCLK_SDMMC_DIV		86
+#define SCLK_SDMMC_DIV50	87
 
 /* dclk gates */
 #define DCLK_VOPB		150