hmm ..
Revert " hmm .."

This reverts commit 70dc6f1711db48320aaec00ff71b5e7f932b7950.
Revert "Enabled CCACHE to speedup building"

This reverts commit 8c16afc243e8e5cb4667fb284527a0479ac5e472.
Revert "reduced wakelocks timeout in modem driver from 100 to 50"

This reverts commit 93dcd09820ac8cede6c6acd16e16f2fb7d4e1f9e.