With recent upstream changes, the default for debug info is
CONFIG_DEBUG_INFO_NONE=y, which prevents BTF from being generated.
Choose CONFIG_DEBUG_INFO_DWARF_TOOLCHAIN_DEFAULT=y to make sure we do
get DWARF generated.
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Select the current config based on $ARCH value and thus rename
the existing config to config-latest.$ARCH.
Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>