1. Add Bus Bluster config/usage details
2. The Raspberry Pi 3 allows to enable JTAG on the GPIO via the
enable_jtag_gpio=1 flag in the config.txt, which is more prefarable.
Switch to this method
3. Add physical memory map
4. Change information about usage of Sequitur labs OpenOCD fork to
the uptsteam OpenOCD, as it already has ARMv8 support

Reviewed-by: Joakim Bech <joakim.bech@linaro.org>
Signed-off-by: Igor Opaniuk <igor.opaniuk@linaro.org>
Tested-by: Igor Opaniuk <igor.opaniuk@linaro.org>
Suggested-by: Joseph Pantoga <jp@redballoonsecurity.com>

Acked-by: Jerome Forissier <jerome.forissier@linaro.org>
Signed-off-by: Igor Opaniuk <igor.opaniuk@linaro.org>

Signed-off-by: Victor Chong <victor.chong@linaro.org>
Acked-by: Jerome Forissier <jerome.forissier@linaro.org>

Reviewed-by: Joakim Bech <joakim.bech@linaro.org>
Signed-off-by: Igor Opaniuk <igor.opaniuk@linaro.org>

Fix parallel build issue (make -jn), now it works fine
Minor: add additional command for the proper cleanup of rpi3_firmware
target.

Signed-off-by: Igor Opaniuk <igor.opaniuk@linaro.org>
Reviewed-by: Jens Wiklander <jens.wiklander@linaro.org>

Add support for generation of uboot.env image from txt file

Fixes: https://github.com/OP-TEE/build/issues/85


Signed-off-by: Igor Opaniuk <igor.opaniuk@linaro.org>
Tested-by: Igor Opaniuk <igor.opaniuk@linaro.org> (RPi3)
Reviewed-by: Joakim Bech <joakim.bech@linaro.org>

Signed-off-by: Jerome Forissier <jerome.forissier@linaro.org>
Reviewed-by: Jens Wiklander <jens.wiklander@linaro.org>
Reviewed-by: Igor Opaniuk <igor.opaniuk@linaro.org>

Factorize embedded file list and rootfs generation for fvp, juno,
mediatek, qemu, qemu_v8 and rpi3.

busybox is madatory to all 'common' rootfs.
optee-client, xtestn helloworld are always embedded: moved to common.

Remove obsolete CFG_DEV_PATH.

Signed-off-by: Etienne Carriere <etienne.carriere@linaro.org>
Reviewed-by: Joakim Bech <joakim.bech@linaro.org>
Tested-by: Jerome Forissier <jerome.forissier@linaro.org> (HiKey)
Tested-by: Joakim Bech <joakim.bech@linaro.org> (RPi3, MTK8173)
Tested-by: Etienne Carriere <etienne.carriere@linaro.org> (qemu_v7/v8)

Besides the rpi3.mk file itself, this also contains the additional
kconfig files and flags used when building Linux and U-Boot.

A set of firmware images are also included.

Signed-off-by: Joakim Bech <joakim.bech@linaro.org>
Reviewed-by: Jerome Forissier <jerome.forissier@linaro.org>
Reviewed-by: David Brown <david.brown@linaro.org>