xilinx: Enable uartlite driver for Versal/ZynqMP

Add CONFIG_XILINX_UARTLITE config to versal/zynqmp defconfig to
enable uartlite driver support by default.

Signed-off-by: T Karthik Reddy <t.karthik.reddy@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
diff --git a/configs/xilinx_versal_virt_defconfig b/configs/xilinx_versal_virt_defconfig
index f9edc72..c84bf2e 100644
--- a/configs/xilinx_versal_virt_defconfig
+++ b/configs/xilinx_versal_virt_defconfig
@@ -79,6 +79,7 @@
 CONFIG_ZYNQ_GEM=y
 CONFIG_ARM_DCC=y
 CONFIG_PL01X_SERIAL=y
+CONFIG_XILINX_UARTLITE=y
 CONFIG_SPI=y
 CONFIG_DM_SPI=y
 CONFIG_USB=y