msm: HTC: fighter: fixup headset PMIC driver init

This addresses issue CYAN-4128.

Change-Id: Ief6e5e9c867d9eda349d5355eaa066af39b93285
msm: HTC: ville: enable 1wire headset support

Change-Id: I813003be4d49b6937d509f183808a19e91861f49
msm: HTC: elite: fixup headset driver init

* provide init and power elements to htc headset mgr driver.
  most notably, this configures gpios for mic bias

* also enable 1wire

Change-Id: Idb3c70ba54375ff75b4cb0767f5426f14aa0ade2
msm: HTC: jet: fixup headset driver init

* provide init and power elements to htc headset mgr driver.
  most notably, this configures gpios for mic bias

* also enable 1wire

Change-Id: I03fa1413cb6d9869ce2779b4886d4c3b65634992
msm: HTC: valentewx: enable 1wire headset support