usb: chipidea: npcm: Fix coding style with clarification of data type

Fixed coding style issue: unsigned to unsigned int.

Signed-off-by: Andreas Kühn <andreas.kuehn@diekuehnen.com>
Acked-by: Peter Chen <peter.chen@kernel.org>
Link: https://lore.kernel.org/r/20240903132535.15554-1-andreas.kuehn@diekuehnen.com


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