m7wls: use custom HTC RIL class

Change-Id: Ic3b6f1f5f90af6f51a671d6cbbfede7e08049ed3
Revert "m7wls: use custom HTC RIL class"

This reverts commit aef0254d900df1bc6645b2fdd78db5b5c52c5aeb

Change-Id: Icb8ac87ea153380e0c857d4df9bd4a767cfac83c
Merge remote-tracking branch 'upstream/cm-10.1' into jellybean