dmaengine: qcom: gpi: Document preferred SM6350 binding

Devices with ee offset of 0x10000 should rather bind with SM6350
compatible, so the list will not unnecessarily grow for compatible
devices.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Acked-by: Richard Acayan <mailingradian@gmail.com>
Link: https://lore.kernel.org/r/20221018230352.1238479-3-krzysztof.kozlowski@linaro.org


Signed-off-by: Vinod Koul <vkoul@kernel.org>