[U-Boot] [PATCH v2 1/2] avb2.0: add proper dependencies

[Eugeniu Rosca <roscaeugeniu@gmail.com>]

Hi Igor,

On Tue, Jul 17, 2018 at 02:33:25PM +0300, Igor Opaniuk wrote:
> 1. Since libavb library alone is highly portable, introduce dedicated
> Kconfig symbol for AVB bootloader-dependent operations, so it's possible
> to build libavb separately. AVB bootloader-dependent operations include:
>   * Helpers to process strings in order to build OS bootargs.
>   * Helpers to access MMC, similar to drivers/fastboot/fb_mmc.c.
>   * Helpers to alloc/init/free avb ops.
> 2. Add CONFIG_FASTBOOT dependency, as fastboot buffer is
> re-used in partition verification operations.
> 
> Reported-by: Eugeniu Rosca <rosca.eugeniu@gmail.com>
> Signed-off-by: Igor Opaniuk <igor.opaniuk@linaro.org>
> ---
>  cmd/Kconfig     |  2 +-
>  common/Kconfig  | 10 ++++++++++
>  common/Makefile |  2 +-
>  doc/README.avb2 |  1 +
>  4 files changed, 13 insertions(+), 2 deletions(-)

With this patch I am now able to compile libavb natively for x86_64,
as well as cross-compile it for arm and aarch64, w/o the avb_verify
wrapper. Thanks for the improvements in the patch/Kconfig description.

Reviewed-by: Eugeniu Rosca <rosca.eugeniu@gmail.com>
Tested-by: Eugeniu Rosca <rosca.eugeniu@gmail.com>