Update to TF-M version TF-Mv1.6.0 (#517)

Signed-off-by: Xinyu Zhang <xinyu.zhang@arm.com>
Change-Id: I0c15564b342873f9bd7a8240822e770950a0563e

portable/ThirdParty/GCC/ARM_CM33_TFM/README.md

@@ -15,7 +15,7 @@ for Arm M-profile architecture. Please get the details from this [link](https://
 
 * ```os_wrapper_freertos.c```
   The implementation of APIs which are defined in ```\ns_interface\os_wrapper\mutex.h``` by tf-m-tests
-  (tag: TF-Mv1.5.0). The implementation is based on FreeRTOS mutex type semaphore.
+  (tag: TF-Mv1.5.0 & TF-Mv1.6.0). The implementation is based on FreeRTOS mutex type semaphore.
 
 # Usage notes
 
@@ -27,7 +27,7 @@ To build a project based on this port:
 
 ### Get the TF-M source code
 
-See the [link](https://git.trustedfirmware.org/TF-M/trusted-firmware-m.git/) to get the source code. This port is based on TF-M version **tag: TF-Mv1.5.0**.
+See the [link](https://git.trustedfirmware.org/TF-M/trusted-firmware-m.git/) to get the source code. This port is supported by TF-M version **tag: TF-Mv1.5.0** & **tag: TF-Mv1.6.0**.
 
 ### Build TF-M
 
@@ -39,7 +39,7 @@ _**Note:** ```TFM_NS_MANAGE_NSID``` must be configured as "OFF" when building TF
 Please copy all the files in ```freertos_kernel\portable\GCC\ARM_CM33_NTZ``` into the ```freertos_kernel\portable\ThirdParty\GCC\ARM_CM33_TFM``` folder before using this port. Note that TrustZone is enabled in this port. The TF-M runs in the Secure Side.
 
 Please call the API ```tfm_ns_interface_init()``` which is defined in ```\app\tfm_ns_interface.c``` by tf-m-tests
-(tag: TF-Mv1.5.0) at the very beginning of your application. Otherwise, it will always fail when calling a TF-M service in the Nonsecure Side.
+(tag: TF-Mv1.5.0 & TF-Mv1.6.0) at the very beginning of your application. Otherwise, it will always fail when calling a TF-M service in the Nonsecure Side.
 
 ### Configuration in FreeRTOS kernel