drm/amd/display: correct num_dsc based on HW cap

[why]
num_dsc is 3 for dcn314 based on HW capablity.

Reviewed-by: Martin Leung <[email protected]>
Acked-by: Wayne Lin <[email protected]>
Signed-off-by: Charlene Liu <[email protected]>
Tested-by: Daniel Wheeler <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>

Author: charliu-AMDENG

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 = 4,
+	.num_dsc = 3,
 };
 
 static const struct dc_plane_cap plane_cap = {