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_zc702_defconfig b/configs/zynq_zc702_defconfig
index 878bc79..c6a7893 100644
--- a/configs/zynq_zc702_defconfig
+++ b/configs/zynq_zc702_defconfig
@@ -39,6 +39,7 @@
 CONFIG_DFU_MMC=y
 CONFIG_DFU_RAM=y
 CONFIG_FPGA_XILINX=y
+CONFIG_FPGA_ZYNQPL=y
 CONFIG_DM_GPIO=y
 CONFIG_MMC_SDHCI=y
 CONFIG_MMC_SDHCI_ZYNQ=y