Revert "STE Power HAL (2/2)"

This reverts commit de2f179469b38433c8d0deef7b0eb4e8d40b0be8.
Revert "STE Power HAL (1/2)"

This reverts commit b5abc2535c645b501b32f107a732a7b0ba4160bc.
Revert "Add new sources"

This reverts commit e4db83deebd46e762760e5a978c152cc62b4785a.
Revert "Disable Marcin lights.montblanc --> try with STE"

This reverts commit 2ce4bb1d57e5c0e0364e57d7973e42ccf02b5aba.
Use prebuilts for now

Change-Id: If966f2cde47d0c4af40ef8d3459e1376fe091163

Conflicts:
	common.mk