ASoC: Intel: debugfs: enable memory blocks reading/writing

In order to read/write all the memory blocks correctly, they need
to be enabled. Debugfs will enable all the blocks in the
free_block_list.

This is not a complete patch and might be hacky. It also includes
lots of debug statements.

Signed-off-by: Ricardo Neri <ricardo.neri-calderon@linux.intel.com>