Minor update in release notes

Author: RobertRostohar

ARM.CMSIS-FreeRTOS.pdsc

@@ -11,7 +11,7 @@
     <release version="10.2.0" date="2019-04-12">
       FreeRTOS 10.2.0
       Maintenance for CMSIS 5.4.0:
-      - Updated to CMSIS API 2.1.3
+      - Updated to CMSIS RTOS2 API 2.1.3
       - Updated Arm standard C library interface
       - Added configuration for the Event Recorder
       - Added TrustZone example for Armv8M using RTOS2 API