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