dmp/vortex86ex: Initialize I2C controller base address/IRQ

Change-Id: Iefd6852f2300f703ebed8b52aee627107a024f85
Signed-off-by: Andrew Wu <arw@dmp.com.tw>
Reviewed-on: http://review.coreboot.org/4570
Tested-by: build bot (Jenkins)
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Patrick Georgi <patrick@georgi-clan.de>
diff --git a/src/southbridge/dmp/vortex86ex/southbridge.h b/src/southbridge/dmp/vortex86ex/southbridge.h
index 0cc28fa..316d30a2 100644
--- a/src/southbridge/dmp/vortex86ex/southbridge.h
+++ b/src/southbridge/dmp/vortex86ex/southbridge.h
@@ -36,6 +36,7 @@
 #define	SB_REG_IPFCR		0xc0
 #define	SB_REG_FRWPR		0xc4
 #define	SB_REG_STRAP		0xce
+#define	SB_REG_II2CCR		0xd4
 
 #define	SB1			PCI_DEV(0, 7, 1)
 #define	SB1_REG_EXT_PIRQ_ROUTE2	0xb4