staging: rtl8723bs: fix blank lines and comments in rtl8723b_hal.h

Remove unnecessary blank line, and move close of multiple-line comments
to their own trailing lines. This fixes four checkpatch warnings and one
checkpatch check notice for the include/rtl8723b_hal.h file.

Signed-off-by: Phillip Potter <phil@philpotter.co.uk>
Link: https://lore.kernel.org/r/20210209120641.3964-1-phil@philpotter.co.uk


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