staging: rtl8192u: add '*' on subsequent lines in block comment

Linux kernel coding style for block comments uses a column of '*' on the
left side.
Fix block comment by adding '*' on subsequent lines as reported by
checkatch.pl script.

Signed-off-by: Khadija Kamran <kamrankhadijadj@gmail.com>
Link: https://lore.kernel.org/r/3a581aae65a152ce41fdd2db667574eba1783113.1679945728.git.kamrankhadijadj@gmail.com


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