Initial Shinano import

based on rhine-common 7e2a33e
shinano: initial blob cleanup
shinano: update wifi and bt

shinano use broadcom wlan instead of qcom
shinano: add dt board names and use dtbtool v2
shinano: fix typo in fstab
shinano: add missing prop
shinano: add prebuild audio for now

shinano use TFA98xx AMP/DSP and until we do not have support for it
we must use prebuilt
shinano: update rd blob
shinano: update kernel cmdline
shinano: remove TWRP flags

someone maintain/use it?
shinano: remove useless flags

4.4.2 blobs dont need it
shinano: update ueventd config

from Sony 17.1.A.2.55 release
shinano: load mhl module
shinano: update sensors props
shinano: use msm8974pro kernel
shinano: update cam perms
shinano: add missing camera blob
shinano-common: update def vibrator intensity

match default kernel value (qpnp-vib-vtg-level-mV/100)
shinano: update ril header
shinano: fix data