bmcweb: Set bmcweb user shell to /sbin/nologin

Shell nologin whether provided by shadow or util-linux is installed to
/sbin/nologin in poky. /usr/sbin/nologin does not exist.

Change-Id: I21074fa632463f142cdde514e68332458a753ecc
Signed-off-by: Jiaqing Zhao <jiaqing.zhao@intel.com>
diff --git a/meta-phosphor/recipes-phosphor/interfaces/bmcweb_git.bb b/meta-phosphor/recipes-phosphor/interfaces/bmcweb_git.bb
index 8ce12da..e2e477d 100644
--- a/meta-phosphor/recipes-phosphor/interfaces/bmcweb_git.bb
+++ b/meta-phosphor/recipes-phosphor/interfaces/bmcweb_git.bb
@@ -4,7 +4,7 @@
 USERADD_PACKAGES = "${PN}"
 
 # add a user called httpd for the server to assume
-USERADD_PARAM:${PN} = "-r -s /usr/sbin/nologin bmcweb"
+USERADD_PARAM:${PN} = "-r -s /sbin/nologin bmcweb"
 GROUPADD_PARAM:${PN} = "web; redfish"
 
 LICENSE = "Apache-2.0"