xilinx: Enable efi debug command

Enable EFI debug command to be able to setup various efi variables to avoid
software like grub.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>

configs/xilinx_versal_virt_defconfig

@@ -32,6 +32,7 @@ CONFIG_CMD_SF_TEST=y
 CONFIG_CMD_USB=y
 CONFIG_CMD_TFTPPUT=y
 CONFIG_CMD_CACHE=y
+CONFIG_CMD_EFIDEBUG=y
 CONFIG_CMD_TIME=y
 CONFIG_CMD_TIMER=y
 CONFIG_CMD_EXT4_WRITE=y

configs/xilinx_zynqmp_virt_defconfig

@@ -56,6 +56,7 @@ CONFIG_CMD_USB_MASS_STORAGE=y
 CONFIG_CMD_TFTPPUT=y
 CONFIG_CMD_BMP=y
 CONFIG_CMD_CACHE=y
+CONFIG_CMD_EFIDEBUG=y
 CONFIG_CMD_TIME=y
 CONFIG_CMD_TIMER=y
 CONFIG_CMD_TPM=y