radeonsi: use tgsi_shader_info in si_llvm_emit_es_epilogue
radeonsi: use tgsi_shader_info in si_llvm_emit_es_epilogue

tgsi_shader_info contains everything we need.

Reviewed-by: Michel Dänzer <242b79f0804cf52679d58f27ed754158c1323c75@amd.com>

metora/MesaGLSLCompiler,metora/MesaGLSLCompiler,metora/MesaGLSLCompiler