asoc: Remove HTC-specific limitation on data vs buffer size

* This is currently breaking compress offload when NuPlayer is used,
   which results in a false EOS being returned to userspace. Kill it.

Change-Id: I4412026af1e8a839a11f9d897d90919c06d8dfce

https://github.com/xboxfanj/android_kernel_htc_msm8974/commit/3120cdb7266c3b2b57ea8ddbc1741c92055a1bbe