drm/amdgpu: drive nav10 from the IP discovery table

Rather than hardcoding based on asic_type, use the IP
discovery table to configure the driver.

Only tested on Navi10 so far.
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/amdgpu_device.c

@@ -2142,7 +2142,6 @@ static int amdgpu_device_ip_early_init(struct amdgpu_device *adev)
 		if (r)
 			return r;
 		break;
-	case  CHIP_NAVI10:
 	case  CHIP_NAVI14:
 	case  CHIP_NAVI12:
 	case  CHIP_SIENNA_CICHLID: