Samsung SoC defconfig changes for v6.18
1. Cleanup MTD_NAND_S3C2410, being removed from the kernel via separate
tree.
2. Enable Axis ARTPEC SoC in arm64 defconfig - new Samsung subarch.
* tag 'samsung-defconfig-6.18' of https://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux:
arm64: defconfig: Enable Axis ARTPEC SoC
ARM: s3c6400_defconfig: Drop MTD_NAND_S3C2410
Link: https://lore.kernel.org/r/20250909180127.99783-3-krzysztof.kozlowski@linaro.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>