Warning: drivers/usb/misc/usbio.c:117 struct member 'nr_i2c_buses' not described in 'usbio_device'

[kernel test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   d358e5254674b70f34c847715ca509e46eb81e6f
commit: 121a0f839dbb397af5fabb701cea3e9983223e50 usb: misc: Add Intel USBIO bridge driver
date:   3 months ago
config: i386-allyesconfig (https://download.01.org/0day-ci/archive/20251212/202512120755.SLQnkrpa-lkp@xxxxxxxxx/config)
compiler: gcc-14 (Debian 14.2.0-19) 14.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251212/202512120755.SLQnkrpa-lkp@xxxxxxxxx/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202512120755.SLQnkrpa-lkp@xxxxxxxxx/

All warnings (new ones prefixed by >>):

>> Warning: drivers/usb/misc/usbio.c:117 struct member 'nr_i2c_buses' not described in 'usbio_device'
   Warning: drivers/usb/misc/usbio.c:117 struct member 'i2cs' not described in 'usbio_device'

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