Add support for the Gigabyte m57sli-s4 board

Corresponding to flashrom svn r91 and coreboot v2 svn r2564.
Signed-off-by: Ward Vandewege <ward@gnu.org>
Acked-by: Stefan Reinauer <stepan@coresystems.de>

flash_enable.c

@@ -463,6 +463,7 @@ static FLASH_ENABLE enables[] = {
         {0x10de, 0x0262, "NVidia MCP51", enable_flash_ck804},
         {0x10de, 0x0263, "NVidia MCP51", enable_flash_ck804},
 
+	{0x10de, 0x0360, "NVIDIA MCP55", enable_flash_mcp55}, // Gigabyte m57sli-s4
 	{0x10de, 0x0364, "NVIDIA MCP55", enable_flash_mcp55}, // LPC
 	{0x10de, 0x0367, "NVIDIA MCP55", enable_flash_mcp55}, // Pro