dt-bindings: stm32: fix CLKSRC for RTC in stm32mp13 clock bindings

Bad copy/paste, use MUX ID to configure the clock source of RTC and not
the clock ID.

Fixes: 19a4632 ("dt-bindings: stm32: add stm32mp13 clock and reset bindings")
Change-Id: I9613d6cae8a2a843895713706ba615b4673bc707
Signed-off-by: Gabriel Fernandez <[email protected]>
Reviewed-on: https://gerrit.st.com/c/mpu/oe/optee/optee_os/+/326548
ACI: CITOOLS <[email protected]>
Reviewed-by: Gatien CHEVALLIER <[email protected]>
Domain-Review: Patrick DELAUNAY <[email protected]>
Reviewed-by: Patrick DELAUNAY <[email protected]>
ACI: CIBUILD <[email protected]>
Tested-by: Patrick DELAUNAY <[email protected]>

Author: Gabriel-Fernandz

core/include/dt-bindings/clock/stm32mp13-clksrc.h

@@ -156,10 +156,10 @@
 #define CLK_PLL4_HSE		CLKSRC(MUX_PLL4, 1)
 #define CLK_PLL4_CSI		CLKSRC(MUX_PLL4, 2)
 
-#define CLK_RTC_DISABLED	CLKSRC(RTC, 0)
-#define CLK_RTC_LSE		CLKSRC(RTC, 1)
-#define CLK_RTC_LSI		CLKSRC(RTC, 2)
-#define CLK_RTC_HSE		CLKSRC(RTC, 3)
+#define CLK_RTC_DISABLED	CLKSRC(MUX_RTC, 0)
+#define CLK_RTC_LSE		CLKSRC(MUX_RTC, 1)
+#define CLK_RTC_LSI		CLKSRC(MUX_RTC, 2)
+#define CLK_RTC_HSE		CLKSRC(MUX_RTC, 3)
 
 #define CLK_MCO1_HSI		CLK_SRC(CK_MCO1, 0)
 #define CLK_MCO1_HSE		CLK_SRC(CK_MCO1, 1)