Tools: Tune: Common: Remove trailing comma from printed blob words

The comma from line end and blob end is removed. With this change
the blobs exported are identical to retrieved blobs with sof-ctl
tool and e.g. can be compared directly.

Signed-off-by: Seppo Ingalsuo <seppo.ingalsuo@linux.intel.com>

tools/tune/common/sof_alsactl_write.m

@@ -28,6 +28,6 @@ function sof_alsactl_write(fn, blob8)
 for i=1:n_new-1
 	fprintf(fh, '%ld,', blob32(i));
 end
-fprintf(fh, '%ld,\n', blob32(end));
+fprintf(fh, '%ld\n', blob32(end));
 fclose(fh);
 end