Bumping gaia.json for 2 gaia-central revision(s)

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https://hg.mozilla.org/integration/gaia-central/rev/a67098916757
Author: Fabien Cazenave <fabien@cazenave.cc>
Desc: Merge pull request #10548 from masap/20130622

Bug 791506 - [Wifi] Enable BSSID for WPS PIN, r=kaze

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https://hg.mozilla.org/integration/gaia-central/rev/a063efbff157
Author: masap <masashi.honma@gmail.com>
Desc: Bug 791506 - [Wifi] Enable BSSID for WPS PIN

b2g/config/gaia.json

@@ -1,4 +1,4 @@
 {
-    "revision": "ca1c4c690dc0be269fc459f534737f90024d8e7f", 
+    "revision": "a670989167574be1adcac43303b4182881738f72", 
     "repo_path": "/integration/gaia-central"
 }