drm/amd/display: rename dcn401_soc to dcn4_variant_a_soc

To distinguish between different soc with same DCN IP, use variants
starting with alphabets
Reviewed-by: Rodrigo Siqueira <rodrigo.siqueira@amd.com>
Signed-off-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/display/dc/dml2/dml21/dml21_translation_helper.c

@@ -31,7 +31,7 @@ static void dml21_init_socbb_params(struct dml2_initialize_instance_in_out *dml_
 		else
 			soc_bb = &dml2_socbb_dcn401;
 
-		qos_params = &dml_dcn401_soc_qos_params;
+		qos_params = &dml_dcn4_variant_a_soc_qos_params;
 	}
 
 	/* patch soc bb */

drivers/gpu/drm/amd/display/dc/dml2/dml21/inc/bounding_boxes/dcn4_soc_bb.h

@@ -8,7 +8,7 @@
 
 #include "dml_top_soc_parameter_types.h"
 
-static const struct dml2_soc_qos_parameters dml_dcn401_soc_qos_params = {
+static const struct dml2_soc_qos_parameters dml_dcn4_variant_a_soc_qos_params = {
 	.derate_table = {
 		.system_active_urgent = {
 			.dram_derate_percent_pixel = 22,