ASoC: Squashed commit reverting all changes for RCV AMP usage

Revert "ASoC: re-enable RCV_AMP gpio_request code, Linux kernel style cleanup"

This reverts commit 55c5c930ef3c8ac17110a5626d973d5315ee934f.

Revert "remove extraneous gpio_free() call"

This reverts commit 8649a331b34051c42736b1f67fe3b5c75e436f64.

Revert "Fixing earpiece amplification in call."

This reverts commit 84721e411783f8a18888cac327ca933a30e029be.
msm: m7: free requested RCV_PAMP GPIO

Change-Id: Ib13e443e40e614c62b5f5eed3f5411b12b033b5d