aries: import charging driver from ivans kernel
this basically is a ported 4.1 driver but since it works the best we'll use it for now

Change-Id: I26f20cb3d8f6afaafb7c7712e5ce7a5c3980f3c2
aries: update defconfig for old charging driver

Change-Id: I0547b75bfaa4c9506001b601a4d463931657ad0a
audio: add some more fixes from 4.1 kernel I've forgot

Change-Id: I1f388b1aa183a91d90ee1c80506dae591bfe2a43