mainboard/lenovo: Add Lenovo Thinkpad T520 support

Short list of known issues for this patchset:

* Suspend/Resume - does not work
* Combi pci card for SD/MMC card reader with IEEE1394 - not found
* Shutdown - sometimes does not work as expected
* At least mysterious harddrive i/o

Change-Id: Iaba8d1f5e471cfeca20d82f4e1b416641e1f2ae9
Signed-off-by: Philipp Deppenwiese <zaolin@das-labor.org>
Reviewed-on: http://review.coreboot.org/5672
Tested-by: build bot (Jenkins)
Reviewed-by: Idwer Vollering <vidwer@gmail.com>
diff --git a/src/mainboard/lenovo/t520/cmos.default b/src/mainboard/lenovo/t520/cmos.default
new file mode 100644
index 0000000..137f482
--- /dev/null
+++ b/src/mainboard/lenovo/t520/cmos.default
@@ -0,0 +1,18 @@
+boot_option=Fallback
+last_boot=Fallback
+baud_rate=115200
+debug_level=Spew
+power_on_after_fail=Enable
+nmi=Enable
+volume=0x3
+first_battery=Primary
+bluetooth=Enable
+wwan=Enable
+wlan=Enable
+touchpad=Enable
+sata_mode=AHCI
+fn_ctrl_swap=Disable
+sticky_fn=Disable
+trackpoint=Enable
+hyper_threading=Enable
+backlight=Both
\ No newline at end of file