drm/amd/display: Update DSC capabilitie for DCN314

dcn314 has 4 DSC - conflicted hardware document updated and confirmed.
Tested-by: NMark Broadworth <mark.broadworth@amd.com>
Reviewed-by: NCharlene Liu <Charlene.Liu@amd.com>
Acked-by: NRodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: NLeo Chen <sancchen@amd.com>
Signed-off-by: NAlex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/display/dc/dcn314/dcn314_resource.c

@@ -847,7 +847,7 @@ static const struct resource_caps res_cap_dcn314 = {
 	.num_ddc = 5,
 	.num_vmid = 16,
 	.num_mpc_3dlut = 2,
-	.num_dsc = 3,
+	.num_dsc = 4,
 };
 
 static const struct dc_plane_cap plane_cap = {