qcom-common: Add msm8226 to build barrier

Change-Id: Ica6649132deeaef66ab117d20b4c4cc20f327100
qcom-common: Do not build charger

This package doesn't exist anymore. Charger is now symlinked to /sbin/healthd
Remove charger images too because they aren't compiling anymore

Change-Id: Ib04b8a22536633aa926144fe40e4c25f29e14835