msm: 8660: Remove the PMEM audio devices

Move the PMEM audio device under USE_ION config ifdef
so that audio does not excercise any PMEM related devices.

Change-Id: I962e22db86a6b542d3d28ae2f0f0ee073d2b5902
Signed-off-by: Chaithanya Krishna Bacharaju <chaithan@codeaurora.org>
msm: 8660: include msm-specific ion header

All msm_ion clients need to use <linux/msm_ion.h> instead of
<linux/ion.h>

Change-Id: I9a6e95048b9c7a89e6a01c456a36a315ce79e64b
Signed-off-by: Mitchel Humpherys <mitchelh@codeaurora.org>
msm: 8660: include msm-specific ion header

All msm_ion clients need to use <linux/msm_ion.h> instead of
<linux/ion.h>

Change-Id: I8572215d3826824044e71f624143d612637dd4b2
Signed-off-by: Mitchel Humpherys <mitchelh@codeaurora.org>
msm_fb: display: able to build without writeback panel

Change-Id: Ie9bfad07986c26a8cacb22c11e3d307f6a3fbb5d