Add detection and dump support for NSC PC87309.

Signed-off-by: Ulf Jordan <jordan@chalmers.se>

Index: nsc.c
===================================================================
--- nsc.c	(revision 2994)
+++ nsc.c	(working copy)
@@ -29,6 +29,36 @@
 		{EOT}}},
 	{0xdf, "PC97371", {	/* From sensors-detect */
 		{EOT}}},
+	{0xe0, "PC87309", {
+		{NOLDN, NULL,
+			{0x20,0x21,0x22,0x27,0x2e,EOT},
+			{0xe0,MISC,0x00,NANA,RSVD,EOT}},
+		{0x0, "Floppy",
+			{0x30,0x31,0x60,0x61,0x70,0x71,0x74,0x75,0xf0,0xf1,
+			 EOT},
+			{MISC,0x00,0x03,0xf2,0x06,0x03,0x02,0x04,0x20,0x00,
+			 EOT}},
+		{0x1, "Parallel port",
+			{0x30,0x31,0x60,0x61,0x70,0x71,0x74,0x75,0xf0,EOT},
+			{0x00,0x00,0x02,0x78,0x07,0x00,0x04,0x04,0xf2,EOT}},
+		{0x2, "COM2 / IR",
+			{0x30,0x31,0x60,0x61,0x70,0x71,0x74,0x75,0xf0,EOT},
+			{0x00,0x00,0x02,0xf8,0x03,0x03,0x04,0x04,0x02,EOT}},
+		{0x3, "COM1",
+			{0x30,0x31,0x60,0x61,0x70,0x71,0x74,0x75,0xf0,EOT},
+			{0x00,0x00,0x03,0xf8,0x04,0x03,0x04,0x04,0x02,EOT}},
+		{0x4, "Power management",
+			{0x30,0x31,0x60,0x61,0x74,0x75,EOT},
+			{0x00,0x00,0x00,0x00,0x04,0x04,EOT}},
+		{0x5, "Mouse",
+			{0x30,0x70,0x71,0x74,0x75,EOT},
+			{0x00,0x0c,0x02,0x04,0x04,EOT}},
+		{0x6, "Keyboard",
+			{0x30,0x31,0x60,0x61,0x62,0x63,0x70,0x71,0x74,0x75,
+			 0xf0,EOT},
+			{0x01,0x00,0x00,0x60,0x00,0x64,0x01,0x02,0x04,0x04,
+			 0x40,EOT}},
+		{EOT}}},
 	{0xe1, "PC87360", {
 		{NOLDN, NULL,
 			{0x20,0x21,0x22,0x23,0x24,0x25,0x26,0x27,0x28,0x2a,