drm/amdgpu: add psp early init for PSP 13.0.6

Initialize psp ip callbacks for PSP 13.0.6.
Signed-off-by: Hawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: Le Ma <le.ma@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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

@@ -191,6 +191,7 @@ static int psp_early_init(void *handle)
 		psp_v12_0_set_psp_funcs(psp);
 		break;
 	case IP_VERSION(13, 0, 2):
+	case IP_VERSION(13, 0, 6):
 		psp_v13_0_set_psp_funcs(psp);
 		break;
 	case IP_VERSION(13, 0, 1):