Add root user to required groups as per recipe

root user has to be added to groups accordingly based
on the recipe. i.e. phosphor-ipmi-host_git.bb, will create
both ipmi group, and add root user to the same.

Unit-test:
1. Verified root user is added to the groups accordingly.

Change-Id: I047ea54243dcd950275cb3c58c2e78b218293763
Signed-off-by: Richard Marian Thomaiyar <richard.marian.thomaiyar@linux.intel.com>
diff --git a/recipes-phosphor/interfaces/bmcweb_git.bb b/recipes-phosphor/interfaces/bmcweb_git.bb
index 40ec570..46dba14 100644
--- a/recipes-phosphor/interfaces/bmcweb_git.bb
+++ b/recipes-phosphor/interfaces/bmcweb_git.bb
@@ -6,6 +6,8 @@
 # add a user called httpd for the server to assume
 USERADD_PARAM_${PN} = "-r -s /usr/sbin/nologin bmcweb"
 GROUPADD_PARAM_${PN} = "web; redfish"
+# Add root user to web & redfish group
+GROUPMEMS_PARAM_${PN} = "-g web -a root; -g redfish -a root"
 
 LICENSE = "Apache-2.0"
 LIC_FILES_CHKSUM = "file://LICENCE;md5=a6a4edad4aed50f39a66d098d74b265b"
diff --git a/recipes-phosphor/ipmi/phosphor-ipmi-host_git.bb b/recipes-phosphor/ipmi/phosphor-ipmi-host_git.bb
index f576aec..e85b260 100644
--- a/recipes-phosphor/ipmi/phosphor-ipmi-host_git.bb
+++ b/recipes-phosphor/ipmi/phosphor-ipmi-host_git.bb
@@ -56,6 +56,8 @@
 USERADD_PACKAGES = "${PN}"
 # add ipmi group
 GROUPADD_PARAM_${PN} = "ipmi"
+# Add root user to ipmi group
+GROUPMEMS_PARAM_${PN} = "-g ipmi -a root"
 
 SYSTEMD_SERVICE_${PN} += "xyz.openbmc_project.Ipmi.Internal.SoftPowerOff.service phosphor-ipmi-host.service"
 
diff --git a/recipes-phosphor/users/phosphor-user-manager_git.bb b/recipes-phosphor/users/phosphor-user-manager_git.bb
index 6f65fee..1e9747a 100644
--- a/recipes-phosphor/users/phosphor-user-manager_git.bb
+++ b/recipes-phosphor/users/phosphor-user-manager_git.bb
@@ -26,6 +26,10 @@
 # add groups needed for privilege maintenance
 GROUPADD_PARAM_${PN} = "priv-admin; priv-operator; priv-user; priv-callback "
 GROUPADD_PARAM_phosphor-ldap = "priv-admin; priv-operator; priv-user; priv-callback "
+
+# Add root user to priv-admin group
+GROUPMEMS_PARAM_${PN} = "-g priv-admin -a root"
+
 DBUS_SERVICE_${PN} += "xyz.openbmc_project.User.Manager.service"
 FILES_phosphor-ldap += " \
         ${sbindir}/phosphor-ldap-conf \