staging: rtl8723bs: put constant on the right side in if condition

fix the following post-commit hook checkpatch warning:

WARNING: Comparisons should place the constant on the right side of the test
683: FILE: drivers/staging/rtl8723bs/os_dep/ioctl_linux.c:2204:
+	if (_SUCCESS != rtw_set_chplan_cmd(padapter, channel_plan_req, 1, 1))

Signed-off-by: Fabio Aiuto <fabioaiuto83@gmail.com>
Link: https://lore.kernel.org/r/41c98d13d5c74b1329ae125f097b780745cf8246.1617802415.git.fabioaiuto83@gmail.com


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