staging: qlge: add braces on all arms of if-else

fix all checkpatch.pl warnings of 'braces {} should be used on all arms
of this statement' in the file qlge_ethtool.c by adding the braces.

Acked-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Signed-off-by: Kaaira Gupta <kgupta@es.iitr.ac.in>
Link: https://lore.kernel.org/r/20200221202904.GA19627@kaaira-HP-Pavilion-Notebook


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