audio: remove QCOM_FM_ENABLED ifdefs

* CM is using a different ifdef here that enables these by default.

Change-Id: I07249d1c3555446238d846901481b13634967aab
audio: Expose a few things previously under QCOM_HARDWARE

 * Allow everyone to use a few of these device types without
   setting QCOM_HARDWARE. Currently there is qute a mess due
   to the way QC is handling branches, when we figure out a
   good solution this can be reverted.

Change-Id: I75447a21ad1cf26e9683d2eac488a1b1238e5adb