This adds support for describing GPIO chips placed on PCIe cards. Thanks to this we get working 2.4 GHz LED on Tenda AC9. Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>