staging: rtl8723bs: hal: Fix Brace Style Issues in if/else statements

Cleaned Up code to fix brace style issues reported by checkpatch:

-space required before the open brace '{'
-Unbalanced braces around if/else statements

Signed-off-by: Shobhit Kukreti <shobhitkukreti@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>