m7-common: add HTC TFA9887 configs

HTC package version: 3.06.1700.10 Google Edition
m7-common: use raw tfa9887 equalizer configs

* HTC uses a custom format, we want to use the binary format used by the
  tfa9887 driver.
Merge pull request #10 from thoemy/cleanup-enrc2b

enrc2b: Move files from device tree to vendor
endeavoru: Add prebuilt/audio files from device tree

Change-Id: I3297f23c13b133ba934bbf35be850310fa838131
endeavoru: Add Flash_Loader.conf

Change-Id: Ibdb6385dc62bcb9efca181be0cdbdcb405de0380