fpga: Convert SYS_FPGA_PROG_FEEDBACK to Kconfig

This converts the following to Kconfig: SYS_FPGA_PROG_FEEDBACK

Signed-off-by: Alexander Dahl <ada@thorsis.com>
Link: https://lore.kernel.org/r/20220721133122.32428-3-ada@thorsis.com
Signed-off-by: Michal Simek <michal.simek@amd.com>
diff --git a/configs/astro_mcf5373l_defconfig b/configs/astro_mcf5373l_defconfig
index 3a44c7e..9f5cb87 100644
--- a/configs/astro_mcf5373l_defconfig
+++ b/configs/astro_mcf5373l_defconfig
@@ -33,6 +33,7 @@
 CONFIG_FPGA_CYCLON2=y
 CONFIG_FPGA_XILINX=y
 CONFIG_FPGA_SPARTAN3=y
+CONFIG_SYS_FPGA_PROG_FEEDBACK=y
 CONFIG_SYS_I2C_LEGACY=y
 CONFIG_SYS_I2C_FSL=y
 CONFIG_SYS_FSL_I2C_OFFSET=0x58000