src/superio/smsc/smscsuperio/superio.c: Add SCH5504

Based on previous reverse-engineering done on "util/superiotool".

TEST=NOT TESTED (yet)

Change-Id: I6c433fa04c01ba6315bcdca699030dfce18a169a
Signed-off-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/c/28971
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
diff --git a/src/superio/smsc/smscsuperio/superio.c b/src/superio/smsc/smscsuperio/superio.c
index e6df6c9..55a25a1 100644
--- a/src/superio/smsc/smscsuperio/superio.c
+++ b/src/superio/smsc/smscsuperio/superio.c
@@ -53,6 +53,7 @@
 #define LPC47B397	0x6f
 #define A8000		0x77	/* ASUS A8000, a rebranded DME1737(?) */
 #define DME1737		0x78
+#define SCH5504		0x79
 #define SCH3112		0x7c
 #define SCH3114		0x7d
 #define SCH5307		0x81	/* Rebranded LPC47B397(?) */
@@ -132,6 +133,7 @@
 	{LPC47U33X,{0, 3, 4, -1, -1,  7, -1,  -1, -1,   9,  0,  5, 10,  0, 11}},
 	{A8000,    {0, 3, 4,  5, -1,  7, -1,  -1, -1,  -1, -1, -1, 10, -1, -1}},
 	{DME1737,  {0, 3, 4,  5, -1,  7, -1,  -1, -1,  -1, -1, -1, 10, -1, -1}},
+	{SCH5504,  {0, 3, 4,  5, -1,  7, -1,  -1, -1,  -1, -1, -1, 10, -1, -1}},
 	{SCH3112,  {0, 3, 4,  5, -1,  7, -1,  -1, -1,  -1, -1, -1, 10, -1, -1}},
 	{SCH3114,  {0, 3, 4,  5, -1,  7, -1,  -1, -1,  -1, -1, -1, 10, -1, -1}},
 	{SCH5307,  {0, 3, 4,  5, -1,  7, -1,  -1,  8,  -1, -1, -1, 10, -1, -1}},