feat(tc): introduce TC2 platform

Added a platform support to use tc2 specific CPU cores.

Signed-off-by: Rupinderjit Singh <rupinderjit.singh@arm.com>
Change-Id: Ib76d440e358e9bd1cf80aec5b8591f7a6e47ecbd
diff --git a/docs/plat/arm/tc/index.rst b/docs/plat/arm/tc/index.rst
index 20d3e56..ae2b836 100644
--- a/docs/plat/arm/tc/index.rst
+++ b/docs/plat/arm/tc/index.rst
@@ -13,10 +13,13 @@
 - SCMI
 - MHUv2
 
-Currently, the main difference between TC0 (TARGET_PLATFORM=0) and TC1
-(TARGET_PLATFORM=1) platforms w.r.t to TF-A is the CPUs supported. TC0 has
-support for Cortex A510, Cortex A710 and Cortex X2, while TC1 has support for
-Cortex A510, Cortex Makalu and Cortex Makalu ELP Arm CPUs.
+Currently, the main difference between TC0 (TARGET_PLATFORM=0), TC1
+(TARGET_PLATFORM=1), TC2 (TARGET_PLATFORM=2) platforms w.r.t to TF-A
+is the CPUs supported as below:
+
+-  TC0 has support for Cortex A510, Cortex A710 and Cortex X2.
+-  TC1 has support for Cortex A510, Cortex Makalu and Cortex Makalu ELP.
+-  TC2 has support for Hayes and Hunter Arm CPUs.
 
 
 Boot Sequence
@@ -33,15 +36,15 @@
 Build Procedure (TF-A only)
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
--  Obtain arm `toolchain <https://developer.arm.com/tools-and-software/open-source-software/developer-tools/gnu-toolchain/gnu-a/downloads>`_.
-   Set the CROSS_COMPILE environment variable to point to the toolchain folder.
+-  Obtain `Arm toolchain`_ and set the CROSS_COMPILE environment variable to
+   point to the toolchain folder.
 
 -  Build TF-A:
 
    .. code:: shell
 
       make PLAT=tc BL33=<path_to_uboot.bin> \
-      SCP_BL2=<path_to_scp_ramfw.bin> TARGET_PLATFORM={0,1} all fip
+      SCP_BL2=<path_to_scp_ramfw.bin> TARGET_PLATFORM={0,1,2} all fip
 
    Enable TBBR by adding the following options to the make command:
 
@@ -53,4 +56,8 @@
       ARM_ROTPK_LOCATION=devel_rsa  \
       ROT_KEY=plat/arm/board/common/rotpk/arm_rotprivk_rsa.pem
 
-*Copyright (c) 2020-2021, Arm Limited. All rights reserved.*
+--------------
+
+*Copyright (c) 2020-2022, Arm Limited. All rights reserved.*
+
+.. _Arm Toolchain: https://developer.arm.com/tools-and-software/open-source-software/developer-tools/gnu-toolchain/downloads