boards: imx95: add TPM support in CA55 feature table

Add TPM counter feature in i.MX95 CA55 doc.

Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou@nxp.com>

Author: Zhiqiang-Hou

boards/nxp/imx95_evk/doc/index.rst

@@ -109,6 +109,8 @@ the following hardware features:
 +-----------+------------+-------------------------------------+
 | UART      | on-chip    | serial port                         |
 +-----------+------------+-------------------------------------+
+| TPM       | on-chip    | tpm                                 |
++-----------+------------+-------------------------------------+
 
 System Clock
 ------------