 acquire and release functions. </p>
<pre>
MODIFICATION HISTORY:</pre><pre>Ver   Who     Date     Changes
</p>
<hr/>
<p>
1.0  Naresh  03/14/2018  Initial creation
1.1  Naresh  04/19/2018  Updated code to fix CR#1000292
1.2  Naresh  07/11/2018  Updated copyright info
1.3  Nishad  12/05/2018  Renamed ME attributes to AIE
1.4  Hyun    01/08/2019  Use the poll function
1.5  Nishad  03/20/2019  Fix usage of uninitialized variable in
                           XAieTile_LockAcquire and XAieTile_LockRelease
</pre> 