dt-bindings: display/msm: gpu: Allow multiple digits for patchid

Some GPUs like the Adreno A305B has a patchid higher than 9, in this
case 18. Make sure the regexes can account for that.

Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Luca Weiss <luca@z3ntu.xyz>
Reviewed-by: David Heidelberg <david@ixit.cz>
Patchwork: https://patchwork.freedesktop.org/patch/575272/


Signed-off-by: Rob Clark <robdclark@chromium.org>