interface-reconfigure: Write DNSDEV to /etc/sysconfig/network instead of rewriteing ifcfg-* to configure PEERDNS=yes|no
interface-reconfigure: Write DNSDEV to /etc/sysconfig/network
instead of rewriteing ifcfg-* to configure PEERDNS=yes|no

This way is much simpler.

Signed-off-by: Ian Campbell <9be92b3dbbd6611e3e4c9209fb3d04b4919e7cca@citrix.com>

djs55/xcp-networkd,johnelse/xcp-rrdd,djs55/squeezed,simonjbeaumont/xcp-rrdd,djs55/xcp-rrdd,djs55/xcp-networkd,koushikcgit/xcp-rrdd,koushikcgit/xcp-rrdd,simonjbeaumont/xcp-rrdd,koushikcgit/xcp-rrdd,djs55/xcp-rrdd,sharady/xcp-networkd,johnelse/xcp-rrdd,robhoes/squeezed,sharady/xcp-networkd,koushikcgit/xcp-networkd,koushikcgit/xcp-networkd