staging:rtl8723au:odm.c:Removing trailing whitespaces

This patch removes the trailing whitespace error given
by checkpatch.pl

Signed-off-by: Joglekar Tejas <tjogleka@visteon.com>
Acked-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>