staging: rtl8723bs: ioctl_linux: Add preferred spaces

staging: rtl8723bs: ioctl_linux: Add preferred spaces

Fix the following checkpatch issues:
- CHECK: spaces preferred around that '+' (ctx:VxV)
- CHECK: spaces preferred around that '&' (ctx:VxV)
- CHECK: spaces preferred around that '|' (ctx:VxV)
- CHECK: spaces required around that ':' (ctx:VxV)

Signed-off-by: Franziska Naepelt <franziska.naepelt@googlemail.com>
Link: https://lore.kernel.org/r/20230722215916.4413-1-franziska.naepelt@googlemail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>