Merge branch 'bugfix/lwip_add_hostname_option_in_dhcp_discover_v3.2' into 'release/v3.2'

add hostname option in dhcp discover (backport v3.2)

See merge request idf/esp-idf!3938
This commit is contained in:
Jiang Jiang Jian
2018-12-29 10:07:50 +08:00