[PATCH 3/3] arch/um: migrate to using defconfig in configs/

Remove arch/um/defconfig. This requires two updates to build scripts: 1. um's Kconfig (arch/x86/um/Kconfig) should specify an ARCH_DEFCONFIG section explicitly pointing to these scripts if the required variables are set. Take care to remove the DEFCONFIG_LIST section defined in the

[PATCH 3/3] arch/um: migrate to using defconfig in configs/

Remove arch/um/defconfig. This requires two updates to build scripts: 1. um's Kconfig (arch/x86/um/Kconfig) should specify an ARCH_DEFCONFIG section explicitly pointing to these scripts if the required variables are set. Take care to remove the DEFCONFIG_LIST section defined in the