arm64: dts: qcom: sm6115: Provide real SMD RPM XO to SDC1/2

Since we have a functioning RPM clock driver, let's make use of it
and provide the real XO clock to clients, instead of the fixed-clock
stub.
Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20221208201401.530555-3-konrad.dybcio@linaro.org

arch/arm64/boot/dts/qcom/sm6115.dtsi

@@ -650,7 +650,7 @@ sdhc_1: mmc@4744000 {
 
 			clocks = <&gcc GCC_SDCC1_AHB_CLK>,
 				 <&gcc GCC_SDCC1_APPS_CLK>,
-				 <&xo_board>,
+				 <&rpmcc RPM_SMD_XO_CLK_SRC>,
 				 <&gcc GCC_SDCC1_ICE_CORE_CLK>;
 			clock-names = "iface", "core", "xo", "ice";
 
@@ -671,7 +671,9 @@ sdhc_2: mmc@4784000 {
 				     <GIC_SPI 353 IRQ_TYPE_LEVEL_HIGH>;
 			interrupt-names = "hc_irq", "pwr_irq";
 
-			clocks = <&gcc GCC_SDCC2_AHB_CLK>, <&gcc GCC_SDCC2_APPS_CLK>, <&xo_board>;
+			clocks = <&gcc GCC_SDCC2_AHB_CLK>,
+				 <&gcc GCC_SDCC2_APPS_CLK>,
+				 <&rpmcc RPM_SMD_XO_CLK_SRC>;
 			clock-names = "iface", "core", "xo";
 
 			pinctrl-0 = <&sdc2_state_on>;