Staging: rtl8723bs: Replace true with x and false with !x

Replace true and false keywords with "x" and "!x"
respectively to follow the kernel coding style.

Signed-off-by: Shreeya Patel <shreeya.patel23498@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>