clk: rockchip: rk3399: Rename SCLK_DDRCLK to SCLK_DDRC

Sync rk3399-cru.h with one from Linux kernel v6.2+ and fix use of the
SCLK_DDRCLK name that was only used by U-Boot.

Signed-off-by: Jonas Karlman <jonas@kwiboo.se>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
diff --git a/drivers/clk/rockchip/clk_rk3399.c b/drivers/clk/rockchip/clk_rk3399.c
index 80f65a2..f0ce540 100644
--- a/drivers/clk/rockchip/clk_rk3399.c
+++ b/drivers/clk/rockchip/clk_rk3399.c
@@ -1049,7 +1049,7 @@
 		 * return 0 to satisfy clk_set_defaults during device probe.
 		 */
 		return 0;
-	case SCLK_DDRCLK:
+	case SCLK_DDRC:
 		ret = rk3399_ddr_set_clk(priv->cru, rate);
 		break;
 	case PCLK_EFUSE1024NS: