Adding upstream version 2.8.0+dfsg.upstream/2.8.0+dfsgupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

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+Trusted Firmware-A
+==================
+
+Trusted Firmware-A (TF-A) is a reference implementation of secure world software
+for `Arm A-Profile architectures`_ (Armv8-A and Armv7-A), including an Exception
+Level 3 (EL3) `Secure Monitor`_. It provides a suitable starting point for
+productization of secure world boot and runtime firmware, in either the AArch32
+or AArch64 execution states.
+
+TF-A implements Arm interface standards, including:
+
+-  `Power State Coordination Interface (PSCI)`_
+-  `Trusted Board Boot Requirements CLIENT (TBBR-CLIENT)`_
+-  `SMC Calling Convention`_
+-  `System Control and Management Interface (SCMI)`_
+-  `Software Delegated Exception Interface (SDEI)`_
+
+The code is designed to be portable and reusable across hardware platforms and
+software models that are based on the Armv8-A and Armv7-A architectures.
+
+In collaboration with interested parties, we will continue to enhance TF-A
+with reference implementations of Arm standards to benefit developers working
+with Armv7-A and Armv8-A TrustZone technology.
+
+Users are encouraged to do their own security validation, including penetration
+testing, on any secure world code derived from TF-A.
+
+More Info and Documentation
+---------------------------
+
+To find out more about Trusted Firmware-A, please `view the full documentation`_
+that is available through `trustedfirmware.org`_.
+
+--------------
+
+*Copyright (c) 2013-2019, Arm Limited and Contributors. All rights reserved.*
+
+.. _Armv7-A and Armv8-A: https://developer.arm.com/products/architecture/a-profile
+.. _Secure Monitor: http://www.arm.com/products/processors/technologies/trustzone/tee-smc.php
+.. _Power State Coordination Interface (PSCI): PSCI_
+.. _PSCI: http://infocenter.arm.com/help/topic/com.arm.doc.den0022d/Power_State_Coordination_Interface_PDD_v1_1_DEN0022D.pdf
+.. _Trusted Board Boot Requirements CLIENT (TBBR-CLIENT): https://developer.arm.com/docs/den0006/latest/trusted-board-boot-requirements-client-tbbr-client-armv8-a
+.. _SMC Calling Convention: http://infocenter.arm.com/help/topic/com.arm.doc.den0028b/ARM_DEN0028B_SMC_Calling_Convention.pdf
+.. _System Control and Management Interface (SCMI): SCMI_
+.. _SCMI: http://infocenter.arm.com/help/topic/com.arm.doc.den0056a/DEN0056A_System_Control_and_Management_Interface.pdf
+.. _Software Delegated Exception Interface (SDEI): SDEI_
+.. _SDEI: http://infocenter.arm.com/help/topic/com.arm.doc.den0054a/ARM_DEN0054A_Software_Delegated_Exception_Interface.pdf
+.. _Arm A-Profile architectures: https://developer.arm.com/architectures/cpu-architecture/a-profile
+.. _view the full documentation: https://www.trustedfirmware.org/docs/tf-a
+.. _trustedfirmware.org: http://www.trustedfirmware.org
+