USB: Use USB defines in usbmouse.c and usbkbd.c

The below patch proposes to use USB defines (defined in linux/hid.h)
instead of just plain numbers in the USB_INTERFACE_INFO statements.

Signed-off-by: Michael Opdenacker <michael@free-electrons.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>