Add chipset support for SiS963.

Just touches two bits, but no docs as per SiS usual.

Signed-off-by: Luc Verhaegen <libv@skynet.be>
Index: chipset_enable.c
===================================================================
--- chipset_enable.c	(revision 744)
+++ chipset_enable.c	(working copy)
@@ -624,6 +624,18 @@
 	return 0;
 }
 
+static int enable_flash_sis963(struct pci_dev *dev, const char *name)
+{
+    uint8_t tmp;
+
+    tmp = pci_read_byte(dev, 0x45);
+    tmp &= ~0x80;
+    tmp |= 0x40;
+    pci_write_byte(dev, 0x45, tmp);
+
+    return 0;
+}
+
 /* Works for AMD-8111, VIA VT82C586A/B, VIA VT82C686A/B. */
 static int enable_flash_amd8111(struct pci_dev *dev, const char *name)
 {
@@ -1039,6 +1051,7 @@
 	{0x10de, 0x0548, OK, "NVIDIA", "MCP67",		enable_flash_mcp55},
 	{0x1039, 0x0008, OK, "SiS", "SiS5595",		enable_flash_sis5595},
 	{0x1039, 0x0630, NT, "SiS", "SiS630",		enable_flash_sis630},
+	{0x1039, 0x0963, OK, "SiS", "SiS963",           enable_flash_sis963},
 	{0x1106, 0x8324, OK, "VIA", "CX700",		enable_flash_vt823x},
 	{0x1106, 0x8231, NT, "VIA", "VT8231",		enable_flash_vt823x},
 	{0x1106, 0x3074, NT, "VIA", "VT8233",		enable_flash_vt823x},