staging: rtl8723bs: os_dep: fixed bracing issue

Fixed a coding style issue by removing unnecessary braces in
sdio_ops_linux.c to fix checkpatch warnings.

Signed-off-by: Ross Schmidt <ross.schm.dev@gmail.com>
Link: https://lore.kernel.org/r/20200915001731.28986-2-ross.schm.dev@gmail.com


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