Merge pull request #1673 from antonio-nino-diaz-arm/an/headers

Standardise header guards across codebase

Standardise header guards across codebase

All identifiers, regardless of use, that start with two underscores are
reserved. This means they can't be used in header guards.

The style that this proje

Standardise header guards across codebase

All identifiers, regardless of use, that start with two underscores are
reserved. This means they can't be used in header guards.

The style that this project is now to use the full name of the file in
capital letters followed by 'H'. For example, for a file called
"uart_example.h", the header guard is UART_EXAMPLE_H.

The exceptions are files that are imported from other projects:

- CryptoCell driver
- dt-bindings folders
- zlib headers

Change-Id: I50561bf6c88b491ec440d0c8385c74650f3c106e
Signed-off-by: Antonio Nino Diaz <antonio.ninodiaz@arm.com>

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Merge pull request #1515 from bryanodonoghue/atf-master+linaro-warp7-squash-v4

Atf master+linaro warp7 squash v4

imx: imx_csu: Add a simple CSU layer

- Add a header to define imx_csu_init().
- Defines the Central Security Unit's Config Security Level
permission bits.
- Define CSU_CSL_OPEN_ACCESS permission b

imx: imx_csu: Add a simple CSU layer

- Add a header to define imx_csu_init().
- Defines the Central Security Unit's Config Security Level
permission bits.
- Define CSU_CSL_OPEN_ACCESS permission bitmask
- Run a loop to setup peripheral CSU permissions

Signed-off-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>

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