arm: zynq: fpga: Added Kconfig support for CONFIG_FPGA_ZYNQPL

This patch added Kconfig support for CONFIG_FPGA_ZYNQPL and migrates the
values over to the defconfigs.

Signed-off-by: Vipul Kumar <vipulk@xilinx.com>
Signed-off-by: Siva Durga Prasad Paladugu <sivadur@xilinx.com>
diff --git a/configs/zynq_zc770_xm012_defconfig b/configs/zynq_zc770_xm012_defconfig
index 87823c9..8dbba65 100644
--- a/configs/zynq_zc770_xm012_defconfig
+++ b/configs/zynq_zc770_xm012_defconfig
@@ -32,6 +32,7 @@
 CONFIG_SPL_DM_SEQ_ALIAS=y
 CONFIG_BLK=y
 CONFIG_FPGA_XILINX=y
+CONFIG_FPGA_ZYNQPL=y
 CONFIG_DM_GPIO=y
 # CONFIG_MMC is not set
 CONFIG_MTD_NOR_FLASH=y