qcacld-3.0: Lightly refactor __wlan_hdd_cfg80211_change_iface

__wlan_hdd_cfg80211_change_iface() has a number of obvious style issues.
Lightly refactor __wlan_hdd_cfg80211_change_iface() to address the low
hanging fruit.

Change-Id: Ib2efa7405e986e73a5c5b6fc7e5509eeebd2e6f3
CRs-Fixed: 2330973
1 file changed