src/southbridge: change "unsigned" to "unsigned int"

Signed-off-by: Martin Roth <martin@coreboot.org>
Change-Id: Iee2056a50a1201626fa29194afdbfc1f11094420
Reviewed-on: https://review.coreboot.org/c/coreboot/+/36333
Reviewed-by: Patrick Rudolph <siro@das-labor.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
diff --git a/src/southbridge/intel/bd82x6x/pch.h b/src/southbridge/intel/bd82x6x/pch.h
index 22b9107..ac976c2 100644
--- a/src/southbridge/intel/bd82x6x/pch.h
+++ b/src/southbridge/intel/bd82x6x/pch.h
@@ -66,7 +66,7 @@
 void enable_usb_bar(void);
 
 #if ENV_ROMSTAGE
-int smbus_read_byte(unsigned device, unsigned address);
+int smbus_read_byte(unsigned int device, unsigned int address);
 #endif
 
 void early_thermal_init(void);