audio: cirrus: Don't enable to write calibration files

Let's use a flag to determine whether write to /persist/audio at boottime or not, if the cal file is missing.

Bug: 78460200
Test: manual audio test on B1.

Change-Id: I77559e0132356db336a7f662432a28af8e268121
Signed-off-by: juyuchen <juyuchen@google.com>