vfio: platform: reset: calxedaxgmac: add reset function registration

This patch adds the reset function registration/unregistration.
This is handled through the module_vfio_reset_handler macro. This
latter also defines a MODULE_ALIAS which simplifies the load from
vfio-platform.
Signed-off-by: Eric Auger <eric.auger@linaro.org>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>

drivers/vfio/platform/reset/vfio_platform_calxedaxgmac.c

@@ -30,8 +30,6 @@
 #define DRIVER_AUTHOR   "Eric Auger <eric.auger@linaro.org>"
 #define DRIVER_DESC     "Reset support for Calxeda xgmac vfio platform device"
 
-#define CALXEDAXGMAC_COMPAT "calxeda,hb-xgmac"
-
 /* XGMAC Register definitions */
 #define XGMAC_CONTROL           0x00000000      /* MAC Configuration */
 
@@ -80,6 +78,8 @@ int vfio_platform_calxedaxgmac_reset(struct vfio_platform_device *vdev)
 }
 EXPORT_SYMBOL_GPL(vfio_platform_calxedaxgmac_reset);
 
+module_vfio_reset_handler("calxeda,hb-xgmac", vfio_platform_calxedaxgmac_reset);
+
 MODULE_VERSION(DRIVER_VERSION);
 MODULE_LICENSE("GPL v2");
 MODULE_AUTHOR(DRIVER_AUTHOR);