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>
This fixes GIC interrupts (required before switching to 4.9), adds few
new entires & introduces DTS for Archer C5.
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>