msm8660: increase size of buffers to fit PROP_VALUE_MAX

Change-Id: I03f4f85a42c82816112513c15c2269e46e01954b
Merge "msm8660: increase size of buffers to fit PROP_VALUE_MAX" into cm-11.0
Merge branch 'cm-11.0' of https://github.com/CyanogenMod/android_hardware_qcom_audio-caf into kk44