mondrianwifi: Fix typo in init

Change-Id: I6a78fb9ec020e715f363ac776f3b44828be9c336
(cherry picked from commit a24ab76a71cfbddb4e3ba737ac594a283ec386b0)
mondrianwifi: init: Set read_ahead to 512KB

Change-Id: I15a9f3e3e5fd8a4f0a45352179e558da626da134
(cherry picked from commit 2d6d52985630755c9074b591640f13723a28004e)
Merge remote-tracking branch 'github/cm-11.0' into HEAD