drm/amd/display: block passive dongle EDID Emulation for USB-C ports

[Why]
Emulating passive dongle on USB-C port causes issue on some asics.

[How]
Check for DP_IS_USB_C flag in bios parser and propagate it to
encoder features flags. If DP_IS_USB_C flag is set and it is trying to
emulate passive dongle, then return fail.

Signed-off-by: Samson Tam <Samson.Tam@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Acked-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/display/include/bios_parser_types.h

@@ -307,7 +307,8 @@ struct bp_encoder_cap_info {
 	uint32_t DP_HBR2_EN:1;
 	uint32_t DP_HBR3_EN:1;
 	uint32_t HDMI_6GB_EN:1;
-	uint32_t RESERVED:30;
+	uint32_t DP_IS_USB_C:1;
+	uint32_t RESERVED:27;
 };
 
 #endif /*__DAL_BIOS_PARSER_TYPES_H__ */