configs: j721e_evm_r5: Enable early cons

Early cons will be used in uart boot. Enable the same for j721e_r5

Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>

configs/j721e_evm_r5_defconfig

@@ -5,6 +5,7 @@ CONFIG_SPL_LIBCOMMON_SUPPORT=y
 CONFIG_SPL_LIBGENERIC_SUPPORT=y
 CONFIG_SYS_MALLOC_F_LEN=0x70000
 CONFIG_SOC_K3_J721E=y
+CONFIG_K3_EARLY_CONS=y
 CONFIG_TARGET_J721E_R5_EVM=y
 CONFIG_ENV_SIZE=0x20000
 CONFIG_ENV_OFFSET=0x680000