[rdkb][common][hal][Refactor ApEnable flow]

[Description]
Refactor ApEnable flow.
Align OpenWrt to remove and add interface back. To clean remain information.
And fix setApRtsThreshold wrong config path amd some logic errors.

[Release-log]
N/A

Change-Id: I6d63e3bef16b62dd8a31f92512064de1598dcd7c
2 files changed
tree: 88f03761ea0245880d1475ff95eef145661c1a07
  1. src/