drm/amd/display: Allow clock sharing b/w HDMI and DVI

[why]
HDMI and DVI share the same PHY clock and single link
DVI and HDMI both use 4 lanes, so they should be allowed
to be sharing the same clock source if all other parameters
are satisfied.

[how]
Change a check for general DVI to Dual DVI.
Signed-off-by: Mikita Lipski <mikita.lipski@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Reviewed-by: Harry Wentland <Harry.Wentland@amd.com>
Acked-by: Leo Li <sunpeng.li@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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

@@ -372,11 +372,11 @@ static bool is_sharable_clk_src(
 		return false;
 
 	if (dc_is_hdmi_signal(pipe_with_clk_src->stream->signal)
-			&& dc_is_dvi_signal(pipe->stream->signal))
+			&& dc_is_dual_link_signal(pipe->stream->signal))
 		return false;
 
 	if (dc_is_hdmi_signal(pipe->stream->signal)
-			&& dc_is_dvi_signal(pipe_with_clk_src->stream->signal))
+			&& dc_is_dual_link_signal(pipe_with_clk_src->stream->signal))
 		return false;
 
 	if (!resource_are_streams_timing_synchronizable(