configs: j721e_evm_a72: Add SK dtb as part of DTB FIT

Add k3-j721e-sk dtb along with other dtbs inside DTB FIT image.

Signed-off-by: Sinthu Raja <sinthu.raja@ti.com>
diff --git a/configs/j721e_evm_a72_defconfig b/configs/j721e_evm_a72_defconfig
index 8f412d6..0e250e5 100644
--- a/configs/j721e_evm_a72_defconfig
+++ b/configs/j721e_evm_a72_defconfig
@@ -75,6 +75,8 @@
 # CONFIG_SPL_EFI_PARTITION is not set
 CONFIG_OF_CONTROL=y
 CONFIG_SPL_OF_CONTROL=y
+CONFIG_OF_LIST="k3-j721e-common-proc-board k3-j721e-sk"
+CONFIG_MULTI_DTB_FIT=y
 CONFIG_SPL_MULTI_DTB_FIT=y
 CONFIG_SPL_MULTI_DTB_FIT_NO_COMPRESSION=y
 CONFIG_ENV_OVERWRITE=y