usb: chipidea: npcm: Fix coding style with missing space

Fixed coding style issue: added missing space.

Signed-off-by: Andreas Kühn <andreas.kuehn@diekuehnen.com>
Link: https://lore.kernel.org/r/20240831193407.11302-1-andreas.kuehn@diekuehnen.com


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