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/board_info.txt b/src/mainboard/lenovo/t520/board_info.txt
new file mode 100644
index 0000000..8d44122
--- /dev/null
+++ b/src/mainboard/lenovo/t520/board_info.txt
@@ -0,0 +1,6 @@
+Category: laptop
+Board name: T520
+ROM package: SOIC-8
+ROM protocol: SPI
+ROM socketed: n
+Flashrom support: y