drm/amd/display: Programming correct VRR_EN bit in VTEM structure

[Why]
In HDMI plugfest, MTK report our EMP with VRR_EN bit = 0.
VRR_EN bit is EMP-MD0-bit 0. Currently driver set 1 to bit 3.

[How]
Programming correct VRR_EN bit in EMP-MD0-bit0.
Signed-off-by: Hugo Hu <hugo.hu@amd.com>
Reviewed-by: Reza Amini <Reza.Amini@amd.com>
Acked-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/display/modules/freesync/freesync.c

@@ -622,9 +622,9 @@ static void build_vrr_vtem_infopacket_data(const struct dc_stream_state *stream,
 
 	if (vrr->state == VRR_STATE_ACTIVE_VARIABLE ||
 				vrr->state == VRR_STATE_ACTIVE_FIXED){
-		infopacket->sb[6] |= 0x80; //VRR_EN Bit = 1
+		infopacket->sb[6] |= 0x01; //VRR_EN Bit = 1
 	} else {
-		infopacket->sb[6] &= 0x7F; //VRR_EN Bit = 0
+		infopacket->sb[6] &= 0xFE; //VRR_EN Bit = 0
 	}
 
 	if (!stream->timing.vic) {