[U-Boot] [U-Boot, v4, 59/66] spl: Kconfig: migrate $(SPL_TPL_)LDSCRIPT to Kconfig

[Philipp Tomsich]

> Now that we have split up SPL_LDSCRIPT into a SPL and TPL variant and
> have started to use the TPL-variant for the RK3368, it's time to clean
> up behind ourselves: move both variants into Kconfig and remove them
> from the whitelist.
> 
> Signed-off-by: Philipp Tomsich <philipp.tomsich at theobroma-systems.com>
> Reviewed-by: Simon Glass <sjg at chromium.org>
> ---
> 
> Changes in v4: None
> Changes in v3:
> - moves SPL_LDSCRIPT and TPL_LDSCRIPT into Kconfig, as requested by
>   by Tom; this gets rid of the whitelist-entry for SPL_LDSCRIPT (which
>   qualifies as a preexisting condition) and of the newly created one
>   for TPL_LDSCRIPT
> 
> Changes in v2: None
> 
>  common/spl/Kconfig           | 18 ++++++++++++++++++
>  scripts/Makefile.spl         |  9 ++++++++-
>  scripts/config_whitelist.txt |  2 --
>  3 files changed, 26 insertions(+), 3 deletions(-)
> 

Applied to u-boot-rockchip, thanks!