[FS#967] odhcp: does not honor 'ignore' on the dhcp section

[LEDE Bugs]

The following task is now closed:

FS#967 - odhcp: does not honor 'ignore' on the dhcp section
User who did this - Hans Dedecker (dedeckeh)

Reason for closing: Not a bug
Additional comments about closing: Please reopen if ignore is not behaving as described in this task

More information can be found at the following URL:
https://bugs.lede-project.org/index.php?do=details&task_id=967