netutils/netlib: support delete the DNS server address by index or address#3206

xiaoxiang781216 merged 1 commit intoapache:masterapache/nuttx-apps:masterfrom

nuttxs:feature/support-delete-DNS-server-by-index-or-addressnuttxs/apache-nuttx-apps:feature/support-delete-DNS-server-by-index-or-addressCopy head branch name to clipboard