usb: host: ehci-fsl: Use DRV_NAME

"fsl-ehci" is used for both MODULE_ALIAS and driver name. As they have to
match use DRV_NAME in both locations.

Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Alexander Stein <alexander.stein@ew.tq-group.com>
Link: https://lore.kernel.org/r/20230123100007.1479090-1-alexander.stein@ew.tq-group.com


Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>