drm/amd/include: Add USB_C_TYPE to atom_encoder_cap_defs

This is needed by DC to support EDID emulation on USB-C ports.

CC: Samson Tam <Samson.Tam@amd.com>
CC: Harry Wentland <harry.wentland@amd.com>
CC: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Leo Li <sunpeng.li@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/include/atomfirmware.h

@@ -718,6 +718,7 @@ enum atom_encoder_caps_def
   ATOM_ENCODER_CAP_RECORD_HBR2_EN               =0x02,         // DP1.2 HBR2 setting is qualified and HBR2 can be enabled 
   ATOM_ENCODER_CAP_RECORD_HDMI6Gbps_EN          =0x04,         // HDMI2.0 6Gbps enable or not. 
   ATOM_ENCODER_CAP_RECORD_HBR3_EN               =0x08,         // DP1.3 HBR3 is supported by board. 
+  ATOM_ENCODER_CAP_RECORD_USB_C_TYPE            =0x100,        // the DP connector is a USB-C type.
 };
 
 struct  atom_encoder_caps_record