media: Use of_reserved_mem_region_to_resource() for "memory-region"

media: Use of_reserved_mem_region_to_resource() for "memory-region"

Use the newly added of_reserved_mem_region_to_resource() function to
handle "memory-region" properties.

Reviewed-by: Dikshita Agarwal <quic_dikshita@quicinc.com>
Reviewed-by: Ming Qian <ming.qian@oss.nxp.com>
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
Reviewed-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
Signed-off-by: Bryan O'Donoghue <bod@kernel.org>
Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org>