ARM: dts: dra72: add rev C evm support

Add DTS support for dra72 evm Rev C which has the following
changes
* Two ethernet ports now instead of the single one in rev B.
* DP83867 ethernet phy instead of DP838865.

Cc: Vignesh R <vigneshr@ti.com>
Signed-off-by: Mugunthan V N <mugunthanvnm@ti.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
diff --git a/configs/dra7xx_evm_defconfig b/configs/dra7xx_evm_defconfig
index 1401493..14ecc24 100644
--- a/configs/dra7xx_evm_defconfig
+++ b/configs/dra7xx_evm_defconfig
@@ -45,7 +45,7 @@
 CONFIG_CMD_FAT=y
 CONFIG_CMD_FS_GENERIC=y
 CONFIG_OF_CONTROL=y
-CONFIG_OF_LIST="dra7-evm dra72-evm"
+CONFIG_OF_LIST="dra7-evm dra72-evm dra72-evm-revc"
 CONFIG_DM=y
 CONFIG_DFU_MMC=y
 CONFIG_DFU_RAM=y