drm/amd/display: avoid variable reinitialization

The member variable enable_hpo_pg_support is already initialized
and hence the reinitialization instruction can be removed. Issue
identified using the doubleinit.cocci Coccinelle semantic patch script.
Signed-off-by: Bragatheswaran Manickavel <bragathemanick0908@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/display/dc/dcn35/dcn35_resource.c

@@ -757,7 +757,6 @@ static const struct dc_debug_options debug_defaults_drv = {
 	.disable_boot_optimizations = false,
 	.disable_unbounded_requesting = false,
 	.disable_mem_low_power = false,
-	.enable_hpo_pg_support = false,
 	//must match enable_single_display_2to1_odm_policy to support dynamic ODM transitions
 	.enable_double_buffered_dsc_pg_support = true,
 	.enable_dp_dig_pixel_rate_div_policy = 1,