dt-bindings: gnss: add mediatek binding

Add binding for Mediatek-based GNSS receivers.

Signed-off-by: Loys Ollivier <lollivier@baylibre.com>
Reviewed-by: Rob Herring <robh@kernel.org>
[ johan: rename backup supply ]
Signed-off-by: Johan Hovold <johan@kernel.org>
1 file changed