lenovo/x201: Add support for Lenovo X201 (Calpella-based laptop)

Was extensively tested on my X201.
More info on the wiki

Change-Id: I503d77749780422e446b48224ca98a1f22a2c180
Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com>
Reviewed-on: http://review.coreboot.org/4514
Tested-by: build bot (Jenkins)
Reviewed-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
diff --git a/src/mainboard/lenovo/x201/Kconfig b/src/mainboard/lenovo/x201/Kconfig
new file mode 100644
index 0000000..1204e23
--- /dev/null
+++ b/src/mainboard/lenovo/x201/Kconfig
@@ -0,0 +1,53 @@
+if BOARD_LENOVO_X201
+
+config BOARD_SPECIFIC_OPTIONS # dummy
+	def_bool y
+	select ARCH_X86
+	select NORTHBRIDGE_INTEL_NEHALEM
+	select SOUTHBRIDGE_INTEL_IBEXPEAK
+	select EC_LENOVO_PMH7
+	select EC_LENOVO_H8
+	select DRIVERS_ICS_954309
+	select HAVE_OPTION_TABLE
+	select HAVE_CMOS_DEFAULT
+	select HAVE_PIRQ_TABLE
+	select HAVE_MP_TABLE
+	select GFXUMA
+	select BOARD_ROMSIZE_KB_8192
+	select HAVE_ACPI_TABLES
+	select HAVE_ACPI_RESUME
+	select EARLY_CBMEM_INIT
+
+config MAINBOARD_DIR
+	string
+	default lenovo/x201
+
+config MAINBOARD_PART_NUMBER
+	string
+	default "3626EN1"
+
+config MAINBOARD_VERSION
+	string
+	default "ThinkPad X201"
+
+config MAINBOARD_VENDOR
+	string
+	default "LENOVO"
+
+config MMCONF_BASE_ADDRESS
+	hex
+	default 0xe0000000
+
+config IRQ_SLOT_COUNT
+	int
+	default 18
+
+config MAX_CPUS
+	int
+	default 4
+
+config CPU_ADDR_BITS
+	int
+	default 36
+
+endif