staging: rtl8723bs: put constant on the right side of the test

fix following post-commit hook checpatch issues:

WARNING: Comparisons should place the constant on the right side of the test
287: FILE: drivers/staging/rtl8723bs/hal/sdio_halinit.c:738:
+	if (_SUCCESS != ret)

Signed-off-by: Fabio Aiuto <fabioaiuto83@gmail.com>
Link: https://lore.kernel.org/r/e19cff736413714dea4265c17b512882d051a311.1618064274.git.fabioaiuto83@gmail.com


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