staging: rtl8723bs: include macro in a do - while loop in core/rtw_security.c

staging: rtl8723bs: include macro in a do - while loop in core/rtw_security.c

fix the following checkpatch warning:

ERROR: Macros with multiple statements should be enclosed
in a do - while loop
2014: FILE: drivers/staging/rtl8723bs/core/rtw_security.c:2014:
+#define ROUND(i, d, s) \

Signed-off-by: Fabio Aiuto <fabioaiuto83@gmail.com>
Link: https://lore.kernel.org/r/0f176b08b7a49d6649ff9d5468bd912e58c1db06.1616854134.git.fabioaiuto83@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>