arm64: versal: Enable bit stream loading support for versal platform.

This patch enables bitstream loading support for Versal platform.

Signed-off-by: Siva Durga Prasad Paladugu <siva.durga.paladugu@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>

configs/xilinx_versal_virt_defconfig

@@ -48,6 +48,8 @@ CONFIG_IP_DEFRAG=y
 CONFIG_TFTP_BLOCKSIZE=4096
 CONFIG_CLK_VERSAL=y
 CONFIG_DFU_RAM=y
+CONFIG_FPGA_XILINX=y
+CONFIG_FPGA_VERSALPL=y
 CONFIG_DM_GPIO=y
 CONFIG_DM_I2C=y
 CONFIG_SYS_I2C_CADENCE=y