dt-bindings: display: bridge: simple: document the ASL CS5263 DP-to-HDMI bridge

The ASL CS5263 is a high-performance DP1.4 to HDMI2.0b converter,
designed to connect a DP1.4 source to an HDMI2.0b sink. The CS5263AN
integrates a DP1.4 compliant receiver, and a HDMI2.0b compliant
transmitter.

Signed-off-by: Ettore Chimenti <[e-mail]>
Signed-off-by: Georg Gottleuber <[e-mail]>
Acked-by: Krzysztof Kozlowski <[e-mail]>
Signed-off-by: Neil Armstrong <[e-mail]>
Link: https://patch.msgid.link/[e-mail]

Documentation/devicetree/bindings/display/bridge/simple-bridge.yaml

···
           - const: adi,adv7123
       - enum:
           - adi,adv7123
+          - asl-tek,cs5263
           - dumb-vga-dac
           - parade,ps185hdm
           - radxa,ra620