Enable QCOM_BSP_LEGACY flag for pre-8974 targets

Change-Id: I895f1b1cbad0d260e1bca87ccb61e6194de023fd
Merge remote-tracking branch 'cm/cm-12.0' into HEAD
Kill legacy helper script crap from ages ago

Change-Id: I0c3e78ad876f9b1fc42ef40d9969d9fb31826eaf
Use bleeding-edge ccache -- always

Change-Id: Ia3856b4721ab89191551305f509ef38331857b4b
We are vanir...resistance is futile

Change-Id: I1dfee7c72632cd4260897ddf2e8be6e8391e0527