freedreno: Uniform sizing
Fixes
dEQP-GLES3.functional.shaders.struct.uniform.sampler_array_fragment
dEQP-GLES3.functional.shaders.struct.uniform.sampler_array_vertex
dEQP-GLES3.functional.shaders.struct.uniform.sampler_nested_fragment
Fixes
dEQP-GLES3.functional.shaders.struct.uniform.sampler_array_fragment
dEQP-GLES3.functional.shaders.struct.uniform.sampler_array_vertex
dEQP-GLES3.functional.shaders.struct.uniform.sampler_nested_fragment