Revert "drivers: mfd: Cleanup of wcd drivers"

This reverts commit 68b653ce4566920943e69fa0d84f109226ba307a.
Revert "ASoC: wcd9xxx-mbhc: Disable micbias for impedance detection"

This reverts commit 25b3489b75c52b09dcbf39fbcb6b09c6439c8ddd.
Revert "ASoC: wcd9xxx-mbhc: Avoid flipping current source setting"

This reverts commit 1376ccda8e9c1abdab71b9f39bcd151b93b73d9d.
Revert "ASoC: wcd9320: Check denominator for zero before division"

This reverts commit 7e8ba3b64a6e43797fbbccba835670d9800d3e84.
Revert "ASoC: wcd9320: Add ANC loopback path and cache HPF bypass control"

This reverts commit df4692cae973323a068a736ee0d0d77ed42f3f5f.
Revert "ASoC: wcd9xxx: Re-order codec DAIs definition"

This reverts commit 4b6bfecb178a7caf2243bd2b9ca47a9d29478ecb.
Revert "ASoC: wcd9320: Fix for audio recording"

This reverts commit 51e2f8f7a997b625483b93f732b4566c78fb18dc.
Revert "ASoC: wcd9320: Add HD2 tuning coefficients for HPH path"

This reverts commit 998461dec9e084c60e5a4092447a2b38b2534f85.
Revert "ASoC: wcd9xxx: [HACK] Prevent headphone&speaker from clipping"

This reverts commit 82a141835891abf2fe9cf3a186f0bf9718be6812.
Revert "ASoC: wcd9320: Fix for VI feedback underflow errors"

This reverts commit 60cde8667d18141fb5306df9901d2f783be1f86a.
Revert "ASoC: wcd9320: Fix null pointer access for event callback"

This reverts commit 047375a5ef2f6eae8c7cc4c0bc1d94ba9030d229.