arm: dts: k3-j721e-r5-sk: Update R5 DT to pick the new DDR config

A new lpddr4 configuration is introduced for J7 SK with 4266 MTs data
rate. Therefore, update the R5 DTS file to point to the new DDR config
file.

Signed-off-by: Sinthu Raja <sinthu.raja@ti.com>
diff --git a/arch/arm/dts/k3-j721e-r5-sk.dts b/arch/arm/dts/k3-j721e-r5-sk.dts
index abce864..d894dcb 100644
--- a/arch/arm/dts/k3-j721e-r5-sk.dts
+++ b/arch/arm/dts/k3-j721e-r5-sk.dts
@@ -6,7 +6,7 @@
 /dts-v1/;
 
 #include "k3-j721e.dtsi"
-#include "k3-j721e-ddr-evm-lp4-4266.dtsi"
+#include "k3-j721e-ddr-sk-lp4-4266.dtsi"
 #include "k3-j721e-ddr.dtsi"
 
 / {