m7-common: add HTC TFA9887 configs

HTC package version: 3.06.1700.10 Google Edition
m7-common: Add firmware blobs for 4.3 hardware keystore
m7-common: use raw tfa9887 equalizer configs

* HTC uses a custom format, we want to use the binary format used by the
  tfa9887 driver.
m7-common: update speaker calibration