arm: dts: k3-j721e: Move to OF_UPSTREAM

Move to using OF_UPSTREAM config and thus using the devicetree-rebasing
subtree.

Signed-off-by: Neha Malcom Francis <n-francis@ti.com>
Acked-by: Sumit Garg <sumit.garg@linaro.org>
diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index 087645f..2186c89 100644
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -1226,11 +1226,9 @@
 	k3-am6548-iot2050-advanced-m2-bkey-ekey-pcie-overlay.dtbo \
 	k3-am654-icssg2.dtbo
 
-dtb-$(CONFIG_SOC_K3_J721E) += k3-j721e-common-proc-board.dtb \
-			      k3-j721e-r5-common-proc-board.dtb \
+dtb-$(CONFIG_SOC_K3_J721E) += k3-j721e-r5-common-proc-board.dtb \
 			      k3-j7200-common-proc-board.dtb \
 			      k3-j7200-r5-common-proc-board.dtb \
-			      k3-j721e-sk.dtb \
 			      k3-j721e-r5-sk.dtb \
 			      k3-j721e-beagleboneai64.dtb \
 			      k3-j721e-r5-beagleboneai64.dtb