radeonsi: add chip class to compiler_ctx_state

This will be used in the following patch.

Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>

src/gallium/drivers/radeonsi/si_compute.c

@@ -186,6 +186,7 @@ static void *si_create_compute_state(
 			program->ir.nir = (struct nir_shader *) cso->prog;
 		}
 
+		program->compiler_ctx_state.chip_class = sctx->b.chip_class;
 		program->compiler_ctx_state.debug = sctx->debug;
 		program->compiler_ctx_state.is_debug_context = sctx->is_debug;
 		p_atomic_inc(&sscreen->num_shaders_created);

src/gallium/drivers/radeonsi/si_shader.h

@@ -307,6 +307,8 @@ struct si_shader;
 
 /* State of the context creating the shader object. */
 struct si_compiler_ctx_state {
+	enum chip_class			chip_class;
+
 	/* Should only be used by si_init_shader_selector_async and
 	 * si_build_shader_variant if thread_index == -1 (non-threaded). */
 	LLVMTargetMachineRef		tm;

src/gallium/drivers/radeonsi/si_state_shaders.c

@@ -3121,6 +3121,7 @@ bool si_update_shaders(struct si_context *sctx)
 		old_ps ? old_ps->key.part.ps.epilog.spi_shader_col_format : 0;
 	int r;
 
+	compiler_state.chip_class = sctx->b.chip_class;
 	compiler_state.tm = sctx->tm;
 	compiler_state.debug = sctx->debug;
 	compiler_state.is_debug_context = sctx->is_debug;