m7-common: Split out BCM4335 firmware by GSM/CDMA

BCM4335B0_002.001.006.0296.xxx.hcd is specific to the GSM or CDMA
variants of this device. Move it out of common.

Change-Id: I307286fe1e23f69dff82b7bb1eae15c41e58e941
m7-common: Move tty_enabled from Telephony to Telecomm

Change-Id: I652b095af30cc2732a06829dc23492e5355660da
m7-common: Remove stale keylayout annotations

Change-Id: Iec0b1fe2ae85de3de83dc6d3cfe1f402e35a5d5e
m7-common: init.qcom.rc: start qseecomd as root

qseecomd communicates with the secure domain via rpmb
needed for widevine anti rollback feature.

Bug: 15777869

Change-Id: I6f7066258d409b9e6d447ae17bf50200323fa670
m7-common: Expand TARGET_RECOVERY_DEVICE_DIRS

+= doesn't expand immediately, so define this one explicitly.
Otherwise, build picks up "build/core" as the definition.

Change-Id: I1c2554497a6d8f9f840a642a0b6463bc877568aa
m7-common: Remove deprecated recovery props

We aren't building cwm in cm-12.0.

Change-Id: I89a1a79141217352665651d2efe8c4a5648de0ac