fixup! Add a convenient libflashrom interface

Update `enum flashrom_log_level` to match `enum msglevel` again.

They diverged already. Found by clang.

Change-Id: Icf175c5f2a415365bd756ca813e724f6797459b2
Signed-off-by: Nico Huber <nico.huber@secunet.com>
Reviewed-on: https://review.coreboot.org/20267
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: David Hendricks <david.hendricks@gmail.com>

libflashrom.c

@@ -90,7 +90,7 @@ int print(const enum msglevel level, const char *const fmt, ...)
 		int ret;
 		va_list args;
 		va_start(args, fmt);
-		ret = global_log_callback(level, fmt, args);
+		ret = global_log_callback((enum flashrom_log_level)level, fmt, args);
 		va_end(args);
 		return ret;
 	}