r600g: use the tgsi opcode from parse.FullToken.FullInstruction
r600g: use the tgsi opcode from parse.FullToken.FullInstruction

... rather than the local one in inst_info->tgsi_opcode.

This will allow us to simplify struct r600_shader_tgsi_instruction.

Signed-off-by: Emil Velikov <4c996f2f093ddd0585a556460b4cc3ba555546ef@gmail.com>
Reviewed-by: Marek Olšák <8c7344a1abdb103e79ecfd488098373070c3c70e@amd.com>

metora/MesaGLSLCompiler,metora/MesaGLSLCompiler,metora/MesaGLSLCompiler