drm/amd/display: Initial psr_version with correct setting

[Why & How]
The initial setting for psr_version is not correct while
create a virtual link.

The default psr_version should be DC_PSR_VERSION_UNSUPPORTED.

Reviewed-by: Roman Li <roman.li@amd.com>
Signed-off-by: Tom Chung <chiahsuan.chung@amd.com>
Signed-off-by: Zaeem Mohamed <zaeem.mohamed@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

Author: Tom Chung

drivers/gpu/drm/amd/display/dc/core/dc.c

@@ -276,6 +276,7 @@ static bool create_links(
 		link->link_id.type = OBJECT_TYPE_CONNECTOR;
 		link->link_id.id = CONNECTOR_ID_VIRTUAL;
 		link->link_id.enum_id = ENUM_ID_1;
+		link->psr_settings.psr_version = DC_PSR_VERSION_UNSUPPORTED;
 		link->link_enc = kzalloc(sizeof(*link->link_enc), GFP_KERNEL);
 
 		if (!link->link_enc) {