dt-bindings: media: Add qcom,qcm2290-camss

dt-bindings: media: Add qcom,qcm2290-camss

Add bindings for qcom,qcm2290-camss in order to support the camera
subsystem found in the Qualcomm Robotics RB1 Platform (QRB2210).

Signed-off-by: Loic Poulain <loic.poulain@oss.qualcomm.com>
Reviewed-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
[bod: reordered patch title to dt-bindings: media]
Signed-off-by: Bryan O'Donoghue <bod@kernel.org>
Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org>