Staging: rtl8821ae: hal_bt_coexist: add/remove spaces

Fix coding style issue which requires a space before the open
curly brace '{', after the open parenthesis '(', after a comma, and
after the equal sign '=' in an assignment.

Also, remove unnecessary whitespace after open parenthesis '(' and
before a quoted newline.
Signed-off-by: An Ha <zero579911@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>