move bluetooth config to shinano

Change-Id: Ieb9bdd2c03edbd9c33494a116e2ffc18537dcd2b
add back hardware keys overlay

also add wake keys and enable volume rocker

Change-Id: I1e9f950c0475a1015e007131f7626144d55aad25
Merge branch 'cm-12.0' of https://github.com/CyanogenMod/android_device_sony_sirius into mkl

Conflicts:
	BoardConfig.mk
	bluetooth/bdroid_buildcfg.h