microblaze: Kconfig: introduce XILINX_MICROBLAZE0_FPGA_FAMILY option

Provide a static Kconfig value for the target FPGA archtitecture, as it is
done in Linux. The cpu-uclass driver will cross-check it with the value
read from PVR10 register.

Signed-off-by: Ovidiu Panait <ovpanait@gmail.com>
Link: https://lore.kernel.org/r/20220531181435.3473549-12-ovpanait@gmail.com
Signed-off-by: Michal Simek <michal.simek@amd.com>
diff --git a/board/xilinx/microblaze-generic/Kconfig b/board/xilinx/microblaze-generic/Kconfig
index a6743ca..90f79cf 100644
--- a/board/xilinx/microblaze-generic/Kconfig
+++ b/board/xilinx/microblaze-generic/Kconfig
@@ -38,6 +38,14 @@
 	string "Core version number"
 	default "7.10.d"
 
+config XILINX_MICROBLAZE0_FPGA_FAMILY
+	string "Targeted FPGA family"
+	default "virtex5"
+	help
+	  This option contains info about the target FPGA architecture
+	  (Zynq-7000, UltraScale+ Kintex, etc) that the MicroBlaze soft core is
+	  implemented on. It corresponds to the C_FAMILY hdl parameter.
+
 config XILINX_MICROBLAZE0_USR_EXCEP
 	bool "MicroBlaze user exception support"
 	default y