Patch merged into coreboot/master: b50921e mainboard/lenovo/x220/gpio.c: Remove unused struct

the following patch was just integrated into master:
commit b50921e5bd4ec28a1f0e583085519c9e3ea3eca8
Author: Edward O'Callaghan 
Date:   Tue Jan 13 05:43:46 2015 +1100

mainboard/lenovo/x220/gpio.c: Remove unused struct

Change-Id: I25bdee38cedbe38cd447483d3e8b3bdc3f646a62
    Signed-off-by: Edward O'Callaghan 
    Reviewed-on: http://review.coreboot.org/8201
    Tested-by: build bot (Jenkins)
    Reviewed-by: Vladimir Serbinenko 
    Reviewed-by: Paul Menzel

See http://review.coreboot.org/8201 for details.

-gerrit