zink: fix ZINK_MAX_DESCRIPTORS_PER_TYPE to stop exploding the stack
this isn't the max per type, it's the max that can be used for a type, which is the max used by a shader stage * the number of shader stages
Cc: mesa-stable
this isn't the max per type, it's the max that can be used for a type, which is the max used by a shader stage * the number of shader stages
Cc: mesa-stable