dt-bindings: display/msm/gpu: simplify compatible regex

Regex for newer Adreno compatibles can be simpler.

Suggested-by: Conor Dooley <conor@kernel.org>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Patchwork: https://patchwork.freedesktop.org/patch/600505/
Link: https://lore.kernel.org/r/20240623-qcom-adreno-dts-bindings-driver-v2-3-9496410de992@linaro.org


Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>