Merge "chore(deps): update pytest for cot-dt2c" into integration

chore(deps): update pytest for cot-dt2c

This resolves Dependabot vulnerability alert #19, resolving a DoS issue
in a dependency of pytest.

Change-Id: I2959da88d3d0422e15d25df5820dfd91f474d6ca
Signe

chore(deps): update pytest for cot-dt2c

This resolves Dependabot vulnerability alert #19, resolving a DoS issue
in a dependency of pytest.

Change-Id: I2959da88d3d0422e15d25df5820dfd91f474d6ca
Signed-off-by: Chris Kay <chris.kay@arm.com>

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Merge changes from topic "mb/cot-fixes" into integration

* changes:
fix(cot-dt2c): fix various breakages
fix(cot-dt2c): use processed Device Tree source file as input

fix(cot-dt2c): fix various breakages

This change fixes several breakages that were introduced in some build
configurations by the introduction of the cot-dt2c tool.

Some Python environments cannot

fix(cot-dt2c): fix various breakages

This change fixes several breakages that were introduced in some build
configurations by the introduction of the cot-dt2c tool.

Some Python environments cannot be managed directly via `pip`, and
invocations of `make`, including `make distclean`, would cause errors
along the lines of:

error: externally-managed-environment

× This environment is externally managed
╰─> To install Python packages system-wide, try apt install
python3-xyz, where xyz is the package you are trying to
install.

This change has been resolved by ensuring that calls to the cot-dt2c
tool from the build system happen exclusively through Poetry, which
automatically sets up a virtual environment that *can* be modified.

Some environments saw the following error when building platforms where
the cot-dt2c tool was used:

make: *** No rule to make target '<..>/debug/bl2_cot.c', needed
by '<..>/debug/bl2/bl2_cot.o'. Stop.

Additionally, environments with a more recent version of Python saw the
following error:

File "<...>/lib/python3.12/site-packages/cot_dt2c/cot_parser.py",
line 637, in img_to_c
if ifdef:
^^^^^
NameError: name 'ifdef' is not defined

Both of these errors have now been resolved by modifications to the
build system and the cot-dt2c tool to enable preprocessing of the device
tree source file before it is processed by the tool.

As a consequence of this change, the `pydevicetree` library is no longer
vendored into the repository tree, and we instead pull it in via a
dependency in Poetry.

This change also resolves several MyPy warnings and errors related to
missing type hints.

Change-Id: I72b2d01caca3fcb789d3fe2549f318a9c92d77d1
Signed-off-by: Chris Kay <chris.kay@arm.com>

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Merge changes from topic "cot-dt2c" into integration

* changes:
feat(arm): update documentation for cot-dt2c
feat(arm): remove the bl2 static c file
feat(arm): generate tbbr c file CoT dt2c

Merge changes from topic "cot-dt2c" into integration

* changes:
feat(arm): update documentation for cot-dt2c
feat(arm): remove the bl2 static c file
feat(arm): generate tbbr c file CoT dt2c
feat(arm): makefile invoke CoT dt2c
feat(auth): standalone CoT dt2c tool
refactor(auth): separate bl1 and bl2 CoT
refactor(st): align the NV counter naming
refactor(fvp): align the NV counter naming

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feat(auth): standalone CoT dt2c tool

Add the standalone CoT dt2c tool for CoT DTB conversion to
c file

Change-Id: If28e580a4c2825f5dc9008e93cd2aae3fc173e73
Signed-off-by: Xialin Liu <Xialin.Liu@ARM

feat(auth): standalone CoT dt2c tool

Add the standalone CoT dt2c tool for CoT DTB conversion to
c file

Change-Id: If28e580a4c2825f5dc9008e93cd2aae3fc173e73
Signed-off-by: Xialin Liu <Xialin.Liu@ARM.com>

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