docs: reverts commit
Revert "docs: test removal of dhcp interface setting for sles12 sp4"
[sms](*\#*) perl -pi -e "s/device = eth1/device = ${sms_eth_internal}/" /etc/warewulf/provision.conf
# Configure DHCP server to use desired internal interface
-#[sms](*\#*) perl -pi -e "s/^DHCPD_INTERFACE=\S+/DHCPD_INTERFACE=${sms_eth_internal}/" /etc/sysconfig/dhcpd
+[sms](*\#*) perl -pi -e "s/^DHCPD_INTERFACE=\S+/DHCPD_INTERFACE=${sms_eth_internal}/" /etc/sysconfig/dhcpd
# Enable tftp service for compute node image distribution
[sms](*\#*) perl -pi -e "s/^\s+disable\s+= yes/ disable = no/" /etc/xinetd.d/tftp
