msm: HTC: Update HTC battery drivers

* HTC kernel version: m7stock_3.4.10-g1a25406

Change-Id: Ie615dcddb055df1a13c244b37cb024e2f2bfb8fc
msm: HTC: Update HTC device board files for battery updates

Change-Id: I927c6bc65e7d9a37b76a05fcb0d87050e53f4f01
power: pm8921: Update HTC pm8921 drivers

* HTC kernel version: m7stock_3.4.10-g1a25406

Change-Id: I5b35f54a48b051b7f3b03f0d867b9d14d9ddf8a2