Mainboard: Add support for Grays Reef

Grays Reef is one of Intel's CRBs for the Haswell processor. The
platform is named Shark Bay.

GPIOs were the main focus so IRQ routing and ACPI still needs to be
further looked at.

Change-Id: Ie94b7af66f772714992a92612c76ca93b9b27088
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: http://review.coreboot.org/2621
Tested-by: build bot (Jenkins)
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
diff --git a/src/mainboard/intel/graysreef/Kconfig b/src/mainboard/intel/graysreef/Kconfig
new file mode 100644
index 0000000..52f859d
--- /dev/null
+++ b/src/mainboard/intel/graysreef/Kconfig
@@ -0,0 +1,45 @@
+if BOARD_INTEL_GRAYSREEF
+
+config BOARD_SPECIFIC_OPTIONS # dummy
+	def_bool y
+	select ARCH_X86
+	select CPU_INTEL_SOCKET_RPGA989
+	select NORTHBRIDGE_INTEL_HASWELL
+	select SOUTHBRIDGE_INTEL_LYNXPOINT
+	select BOARD_ROMSIZE_KB_8192
+	select BOARD_HAS_FADT
+	select HAVE_ACPI_TABLES
+	select HAVE_OPTION_TABLE
+	select HAVE_ACPI_RESUME
+	select HAVE_MAINBOARD_RESOURCES
+	select MMCONF_SUPPORT
+	select HAVE_SMI_HANDLER
+	select GFXUMA
+	select CHROMEOS
+	select EXTERNAL_MRC_BLOB
+
+config MAINBOARD_DIR
+	string
+	default intel/graysreef
+
+config MAINBOARD_PART_NUMBER
+	string
+	default "GRAYS REEF"
+
+config MMCONF_BASE_ADDRESS
+	hex
+	default 0xf0000000
+
+config IRQ_SLOT_COUNT
+	int
+	default 18
+
+config MAX_CPUS
+	int
+	default 16
+
+config VGA_BIOS_FILE
+	string
+	default "pci8086,0166.rom"
+
+endif # BOARD_INTEL_GRAYSREEF