dt-bindings: gpio: Update DT binding docs to support SiFive FU740 SoC

Add new compatible strings to the DT binding documents to support SiFive
FU740-C000.

Signed-off-by: Yash Shah <yash.shah@sifive.com>
Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
This commit is contained in:
Yash Shah 2020-12-08 10:25:37 +05:30 • committed by Palmer Dabbelt
commit 42cf244c8f
No known key found for this signature in database
GPG key ID: 2E1319F35FBB1889