linker: Use the matrix layout information in ir_variable and glsl_type for UBO layout

linker: Use the matrix layout information in ir_variable and glsl_type for UBO layout

Use the data that is stored in the ir_variable and the glsl_type to
determine whether or not a UBO member is row-major.

Fixes gles3conform failures in:

ES3-CTS.shaders.uniform_block.instance_array_basic_type.shared.row_major_mat2
ES3-CTS.shaders.uniform_block.instance_array_basic_type.shared.row_major_mat3
ES3-CTS.shaders.uniform_block.instance_array_basic_type.shared.row_major_mat4
ES3-CTS.shaders.uniform_block.instance_array_basic_type.shared.row_major_mat2x3
ES3-CTS.shaders.uniform_block.instance_array_basic_type.shared.row_major_mat2x4
ES3-CTS.shaders.uniform_block.instance_array_basic_type.shared.row_major_mat3x2
ES3-CTS.shaders.uniform_block.instance_array_basic_type.shared.row_major_mat3x4
ES3-CTS.shaders.uniform_block.instance_array_basic_type.shared.row_major_mat4x2
ES3-CTS.shaders.uniform_block.instance_array_basic_type.shared.row_major_mat4x3
ES3-CTS.shaders.uniform_block.instance_array_basic_type.packed.row_major_mat2
ES3-CTS.shaders.uniform_block.instance_array_basic_type.packed.row_major_mat3
ES3-CTS.shaders.uniform_block.instance_array_basic_type.packed.row_major_mat4
ES3-CTS.shaders.uniform_block.instance_array_basic_type.packed.row_major_mat2x3
ES3-CTS.shaders.uniform_block.instance_array_basic_type.packed.row_major_mat2x4
ES3-CTS.shaders.uniform_block.instance_array_basic_type.packed.row_major_mat3x2
ES3-CTS.shaders.uniform_block.instance_array_basic_type.packed.row_major_mat3x4
ES3-CTS.shaders.uniform_block.instance_array_basic_type.packed.row_major_mat4x2
ES3-CTS.shaders.uniform_block.instance_array_basic_type.packed.row_major_mat4x3
ES3-CTS.shaders.uniform_block.instance_array_basic_type.std140.row_major_mat2
ES3-CTS.shaders.uniform_block.instance_array_basic_type.std140.row_major_mat3
ES3-CTS.shaders.uniform_block.instance_array_basic_type.std140.row_major_mat4
ES3-CTS.shaders.uniform_block.instance_array_basic_type.std140.row_major_mat2x3
ES3-CTS.shaders.uniform_block.instance_array_basic_type.std140.row_major_mat2x4
ES3-CTS.shaders.uniform_block.instance_array_basic_type.std140.row_major_mat3x2
ES3-CTS.shaders.uniform_block.instance_array_basic_type.std140.row_major_mat3x4
ES3-CTS.shaders.uniform_block.instance_array_basic_type.std140.row_major_mat4x2
ES3-CTS.shaders.uniform_block.instance_array_basic_type.std140.row_major_mat4x3
ES3-CTS.shaders.uniform_block.random.nested_structs_arrays.2
ES3-CTS.shaders.uniform_block.random.nested_structs_instance_arrays.5
ES3-CTS.shaders.uniform_block.random.nested_structs_instance_arrays.9

Causes gles3conform failures in:

ES3-CTS.shaders.uniform_block.random.basic_types.8
ES3-CTS.shaders.uniform_block.random.basic_arrays.3
ES3-CTS.shaders.uniform_block.random.basic_instance_arrays.0
ES3-CTS.shaders.uniform_block.random.basic_instance_arrays.2
ES3-CTS.shaders.uniform_block.random.all_per_block_buffers.13
ES3-CTS.shaders.uniform_block.random.all_per_block_buffers.18
ES3-CTS.shaders.uniform_block.random.all_shared_buffer.4

These failures will be fixed shortly.

Signed-off-by: Ian Romanick <ian.d.romanick@intel.com>
Reviewed-by: Matt Turner <mattst88@gmail.com>