BugLink: http://bugs.launchpad.net/bugs/1665211

Dell Caracalla IoT gateways sport a Redpine RS9113 WLAN-BT combo card.
This patch adds Host AP mode support to the Redpine RS9113 driver.
Vendor release version: 0.9.8.3 (Beta)

Other fixes:
- Connection drop issue with multiple APs/mobile phone hotspots
Signed-off-by: Shrirang Bagul <shrirang.bagul@canonical.com>
Acked-by: Brad Figg <brad.figg@canonical.com>
Acked-by: Tim Gardner <tim.gardner@canonical.com>
Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@canonical.com>