drm/amd/display: Fix message for support_edp0_on_dp1

[WHY]
The info message was wrong when support_edp0_on_dp1 is enabled

[HOW]
Use correct info message for support_edp0_on_dp1

Fixes: f6d1727 ("drm/amd/display: add a quirk to enable eDP0 on DP1")
Reviewed-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Signed-off-by: Yilin Chen <Yilin.Chen@amd.com>
Signed-off-by: Alex Hung <alex.hung@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit 79538e6)
Cc: stable@vger.kernel.org

Author: knowuseless

drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c

@@ -1745,7 +1745,7 @@ static void retrieve_dmi_info(struct amdgpu_display_manager *dm, struct dc_init_
 	}
 	if (quirk_entries.support_edp0_on_dp1) {
 		init_data->flags.support_edp0_on_dp1 = true;
-		drm_info(dev, "aux_hpd_discon_quirk attached\n");
+		drm_info(dev, "support_edp0_on_dp1 attached\n");
 	}
 }