superio/winbond/w83627ehg: Convert romstage to generic component

Convert the serial init to the generic romstage component and
corresponding boards using this sio.

Change-Id: Ib9f981f43e047013f9cbe20a22246ee2ed3ecf50
Signed-off-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>
Reviewed-on: http://review.coreboot.org/5589
Tested-by: build bot (Jenkins)
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
diff --git a/src/mainboard/msi/ms9652_fam10/romstage.c b/src/mainboard/msi/ms9652_fam10/romstage.c
index ad7dcde..3993bae 100644
--- a/src/mainboard/msi/ms9652_fam10/romstage.c
+++ b/src/mainboard/msi/ms9652_fam10/romstage.c
@@ -39,6 +39,7 @@
 #include "lib/delay.c"
 #include "cpu/x86/lapic.h"
 #include "northbridge/amd/amdfam10/reset_test.c"
+#include <superio/winbond/common/winbond.h>
 #include <superio/winbond/w83627ehg/w83627ehg.h>
 #include "cpu/x86/bist.h"
 #include "northbridge/amd/amdfam10/debug.c"
@@ -126,7 +127,7 @@
 	pnp_write_config(SERIAL_DEV, 0x24, (reg & 0xbf));
 	pnp_exit_ext_func_mode(SERIAL_DEV);
 
-	w83627ehg_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE);
+	winbond_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE);
 	console_init();
 
 	/* Halt if there was a built in self test failure */