[scarthgap][PATCH] uboot-config: Fix devtool modify #scarthgap

[nicolas.heemeryck@devialet.com]

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Hi all,

Is this possible to cherry-pick the patch attached that fixes the u-boot devtool modify ?

commit 371ecef31872a611f34b2541a50ceed0c3ce06af
Author: Tom Hochstein <tom.hochstein@oss.nxp.com>
Date:   Wed Feb 5 16:18:55 2025 -0600
uboot-config: Fix devtool modify
Fix a problem with `devtool modify` as suggested by Marcus Flyckt on
the mailing list:
```
I encountered an issue with `do_config` when using `devtool modify`
on `u-boot-imx`.
```
[...]
| cp: cannot stat '[...]/u-boot-imx/2024.04/build/imx8mp_wl400s_defconfig/.config': No such file or directory
| WARNING: exit code 1 from a shell command.
ERROR: Task ([...]/sources/poky/../meta-freescale/recipes-bsp/u-boot/u-boot-imx_2024.04.bb:do_configure) failed with exit code '1'
NOTE: Tasks Summary: Attempted 963 tasks of which 962 didn't need to be rerun and 1 failed.
Summary: 1 task failed:
[...]/sources/poky/../meta-freescale/recipes-bsp/u-boot/u-boot-imx_2024.04.bb:do_configure
Summary: There was 1 ERROR message, returning a non-zero exit code
```
The issue seems to originate from the following lines in
`workspace/appends/u-boot-imx_2024.04.bbappend`:
```
do_configure:append() {
if [ ${@oe.types.boolean(d.getVar("KCONFIG_CONFIG_ENABLE_MENUCONFIG"))} = True ]; then
cp ${KCONFIG_CONFIG_ROOTDIR}/.config ${S}/.config.baseline
ln -sfT ${KCONFIG_CONFIG_ROOTDIR}/.config ${S}/.config.new
fi
}
```
For some reason `KCONFIG_CONFIG_ROOTDIR` does not point to the
correct directory. It gets its value in `uboot-config.bbclass`:
```
if len(ubootconfig) == 1:
d.setVar('KCONFIG_CONFIG_ROOTDIR', os.path.join(d.getVar("B"), d.getVar("UBOOT_MACHINE").strip()))
```
So the main issue is that B gets expanded in this expression, and
then later B gets changed by `externalsrc.bbclass`.
`d.getVar("B", False)` does not solve the issue, however the
proposed change does.
```
- https://lists.yoctoproject.org/g/yocto/topic/109254298#msg64152]
Fixes [YOCTO #15603]
Suggested-by: Marcus Flyckt <marcus.flyckt@gmail.com>
(From OE-Core rev: 57b21065a25100c31515b32fd7c77bde3355d684)
Signed-off-by: Tom Hochstein <tom.hochstein@oss.nxp.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

Best Regards,
Nicolas

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