corosync: reproducibility issue

Corosync is not reproducible due to change of value
in NETSNMP_SYS_CONTACT which is set in net-snmp:
NETSNMP_SYS_CONTACT = "$ME@$LOC"
$ME = whoami
$LOC assigned domain name from /etc/resolv.conf

Use build in'--with-sys-contact' to overwrite it

https://autobuilder.yoctoproject.org/valkyrie/#/builders/87/builds/30/steps/28/logs/stdio

CC: Yoann Congal <yoann.congal@smile.fr>
CC: Randy MacLeod <randy.macleod@windriver.com>
Signed-off-by: Christos Gavros <gavrosc@yahoo.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>
(cherry picked from commit bb138b9f6b)
Signed-off-by: Ankur Tyagi <ankur.tyagi85@gmail.com>
Signed-off-by: Anuj Mittal <anuj.mittal@intel.com>

meta-networking/recipes-protocols/net-snmp/net-snmp_5.9.4.bb

@@ -53,6 +53,8 @@ PACKAGECONFIG[perl] = "--enable-embedded-perl --with-perl-modules=yes, --disable
 PACKAGECONFIG[smux] = ""
 PACKAGECONFIG[systemd] = "--with-systemd, --without-systemd"
 
+SYSCONTACT_DISTRO ?= "no-contact-set@example.com"
+
 EXTRA_OECONF = " \
     --enable-shared \
     --disable-manuals \
@@ -61,6 +63,7 @@ EXTRA_OECONF = " \
     --with-persistent-directory=${localstatedir}/lib/net-snmp \
     --with-endianness=${@oe.utils.conditional('SITEINFO_ENDIANNESS', 'le', 'little', 'big', d)} \
     --with-mib-modules='${MIB_MODULES}' \
+    --with-sys-contact='${SYSCONTACT_DISTRO}' \
 "
 
 MIB_MODULES = ""