Fixed the gowin famility issue with case sensitive disk partitions. See details here #521

Author: zapta

apio/scons/plugin_gowin.py

@@ -89,7 +89,7 @@ def emitter(target, source, env):
             ).format(
                 args.FPGA_MODEL,
                 TARGET + ".pnr",
-                args.FPGA_TYPE,
+                args.FPGA_TYPE.upper(),
                 self.constrain_file(),
                 "" if args.VERBOSE_ALL or args.VERBOSE_PNR else "-q",
             ),