staging: rtl8723bs: Removed extra tabs in conditional statements

checkpatch found extra tabs in two conditional statements in
rtw_ieee80211.c. Should be one tab instead of two.

Signed-off-by: Emily Peri <eperi1024@gmail.com>
Link: https://lore.kernel.org/r/Y1BQfiwOXzAZpCCa@marshmallow


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