drm/amdgpu: skip to load ta firmware for navi14

Not relevant on navi14.
Signed-off-by: Xiaojie Yuan <xiaojie.yuan@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/psp_v11_0.c

@@ -162,6 +162,7 @@ static int psp_v11_0_init_microcode(struct psp_context *psp)
 		}
 		break;
 	case CHIP_NAVI10:
+	case CHIP_NAVI14:
 		break;
 	default:
 		BUG();