staging: qlge: qlge_ethtool.c: remove an unneeded variable

Remove unneeded temporary local variable, cleanup suggested by coccinelle.

Signed-off-by: Payal Kshirsagar <payalskshirsagar1234@gmail.com>
Reviewed-by: Stefano Brivio <sbrivio@redhat.com>
Link: https://lore.kernel.org/r/20200312190624.24167-5-payalskshirsagar1234@gmail.com


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