core: Refactor console_init() and introduce plat_console_init()

Since there are some cross-platform console drivers, we let
console_init() be common code to have a chance to initialize those
console

core: Refactor console_init() and introduce plat_console_init()

Since there are some cross-platform console drivers, we let
console_init() be common code to have a chance to initialize those
console drivers (e.g., semihosting console).

If the cross-platform console drivers are not configured to be compiled,
plat_console_init() will be invoked to initialize platform-specific
console driver.

Signed-off-by: Alvin Chang <alvinga@andestech.com>
Reviewed-by: Jerome Forissier <jerome.forissier@linaro.org>
Reviewed-by: Jens Wiklander <jens.wiklander@linaro.org>
Reviewed-by: Etienne Carriere <etienne.carriere@foss.st.com>

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Initial support for Renesas RZ/G2{H,M,N,E} SoC's

This patch adds support for Renesas RZ/G2{H,M,N,E} SoC's.

* Compiled with:
| make PLATFORM=rzg # Defaults to RZ/G2M SoC

Based on the work done

Initial support for Renesas RZ/G2{H,M,N,E} SoC's

This patch adds support for Renesas RZ/G2{H,M,N,E} SoC's.

* Compiled with:
| make PLATFORM=rzg # Defaults to RZ/G2M SoC

Based on the work done from Huynh Thanh Hung for RZ/G2 internally and
similar work done for Renesas RCar-Gen3 SoC's in mainline OP-TEE OS.

Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Biju Das <biju.das.jz@bp.renesas.com>
Acked-by: Jens Wiklander <jens.wiklander@linaro.org>
Acked-by: Jerome Forissier <jerome@forissier.org>

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