staging: wilc1000: fix open parenthesis mismatch in wilc_wlan_cfg_get()

Fix 'Alignment should match open parenthesis' issue found by
checkpatch.pl script. Reduce the leading tab, to make space for open
parenthesis match.

Signed-off-by: Ajay Singh <ajay.kathat@microchip.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>