anv: Bump maxComputeWorkgroupSize
Fixes: 9a129510 "anv: Bump maxComputeWorkgroupInvocations" Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=111552
Fixes: 9a129510 "anv: Bump maxComputeWorkgroupInvocations" Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=111552