staging: qlge: qlge_ethtool: Remove one byte memset.

Use direct assignment instead of using memset with just one byte as an
argument.
Issue found by checkpatch.pl.

Signed-off-by: Suraj Upadhyay <usuraj35@gmail.com>
Link: https://lore.kernel.org/r/b5eb87576cef4bf1b968481d6341013e6c7e9650.1594642213.git.usuraj35@gmail.com


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