freedreno/a4xx+: Increase max texture size to 16384.

Noticed when poking around with texture layouts and found that my big
texture layout from the blob buffer overflowed.  Values come from
http://vulkan.gpuinfo.org for Adreno 418, 512, 630.

Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4931>
4 files changed