lenovo/t520/gpio.h: Fix current gpio configuration

Change-Id: I67f321583211efd9ed917276cc3989c6dc4ac649
Signed-off-by: Nicolas Reinecke <nr@das-labor.org>
Reviewed-on: http://review.coreboot.org/6848
Reviewed-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>
Tested-by: build bot (Jenkins)
lenovo/t520/hda_verb.h: update azalia codec config

Replace codec config copied form T530 with dumped values from T520
/sys/class/sound/card0/hdaudioC0D0/init_pin_configs.
Intel Azalia HDMI is always enabled, but DP isn't connected to a
connector.

Change-Id: Iabdae4a6669ff429d5769a1bb0c0fb1abc12ba82
Signed-off-by: Nicolas Reinecke <nr@das-labor.org>
Reviewed-on: http://review.coreboot.org/6849
Reviewed-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Tested-by: build bot (Jenkins)
lenovo/t520/acpi/gpe.asl: fix ExpressCard gpe configExpre

ExpressCard is connected to PCIe port 4.

Change-Id: I0cffabd9d9435d24a7e9c178c2f96fb1a9390320
Signed-off-by: Nicolas Reinecke <nr@das-labor.org>
Reviewed-on: http://review.coreboot.org/6850
Tested-by: build bot (Jenkins)
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>