drm: display: Remove duplicated argument in dcn31

Fix the following coccicheck warning:
./drivers/gpu/drm/amd/display/dc/dml/dcn31/display_mode_vba_31.c:
3539:12-42: duplicated argument to && or ||
./drivers/gpu/drm/amd/display/dc/dml/dcn31/display_mode_vba_31.c:
5677:87-123: duplicated argument to && or ||
Reviewed-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Wan Jiabing <wanjiabing@vivo.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/display/dc/dml/dcn31/display_mode_vba_31.c

@@ -3536,7 +3536,7 @@ static bool CalculateBytePerPixelAnd256BBlockSizes(
 		*BytePerPixelDETC = 0;
 		*BytePerPixelY = 4;
 		*BytePerPixelC = 0;
-	} else if (SourcePixelFormat == dm_444_16 || SourcePixelFormat == dm_444_16) {
+	} else if (SourcePixelFormat == dm_444_16) {
 		*BytePerPixelDETY = 2;
 		*BytePerPixelDETC = 0;
 		*BytePerPixelY = 2;
@@ -5674,7 +5674,7 @@ void dml31_ModeSupportAndSystemConfigurationFull(struct display_mode_lib *mode_l
 	for (k = 0; k < v->NumberOfActivePlanes; k++) {
 		if (v->ViewportWidth[k] > v->SurfaceWidthY[k] || v->ViewportHeight[k] > v->SurfaceHeightY[k]) {
 			ViewportExceedsSurface = true;
-			if (v->SourcePixelFormat[k] != dm_444_64 && v->SourcePixelFormat[k] != dm_444_32 && v->SourcePixelFormat[k] != dm_444_16
+			if (v->SourcePixelFormat[k] != dm_444_64 && v->SourcePixelFormat[k] != dm_444_32
 					&& v->SourcePixelFormat[k] != dm_444_16 && v->SourcePixelFormat[k] != dm_444_8
 					&& v->SourcePixelFormat[k] != dm_rgbe) {
 				if (v->ViewportWidthChroma[k] > v->SurfaceWidthC[k]