doc: release/4.0: Crypto driver notes

Add information about TinyCrypt shim driver deprecation.

Signed-off-by: Flavio Ceolin <[email protected]>

Author: ceolin

doc/releases/release-notes-4.0.rst

@@ -350,6 +350,7 @@ Drivers and Sensors
 * Crypto
 
   * Added support for STM32L4 AES.
+  * Deprecated the TinyCrypt shim driver ``CONFIG_CRYPTO_TINYCRYPT_SHIM``.
 
 * DAC