When rebuilding kernel-ark with `clang_lto` we get the following errors:

```
+ ./process_configs.sh -w -n -c -m HOSTCC=clang -m CC=clang -m LLVM_IAS=1 -m LLVM=1 7.0.0
Processing /root/rpmbuild/BUILD/kernel-7.0.0-build/kernel-7.0-rc2/linux-7.0.0-0.rc2.21.test.fc45.x86_64/configs/kernel-7.0.0-aarch64-16k-debug.config ...
<snip>
Processing /root/rpmbuild/BUILD/kernel-7.0.0-build/kernel-7.0-rc2/linux-7.0.0-0.rc2.21.test.fc45.x86_64/configs/kernel-7.0.0-x86_64-rt.config complete
Found unset config items in arm64 aarch64-16k-debug, please set them to an appropriate value
CONFIG_WARN_CONTEXT_ANALYSIS=y
CONFIG_WARN_CONTEXT_ANALYSIS_ALL=n
Found unset config items in arm64 aarch64-16k, please set them to an appropriate value
CONFIG_WARN_CONTEXT_ANALYSIS=y
CONFIG_WARN_CONTEXT_ANALYSIS_ALL=n
Found unset config items in riscv riscv64-debug, please set them to an appropriate value
CONFIG_WARN_CONTEXT_ANALYSIS=y
CONFIG_WARN_CONTEXT_ANALYSIS_ALL=n
Found unset config items in riscv riscv64-rt-debug, please set them to an appropriate value
CONFIG_WARN_CONTEXT_ANALYSIS=y
CONFIG_WARN_CONTEXT_ANALYSIS_ALL=n
Found unset config items in riscv riscv64-rt, please set them to an appropriate value
CONFIG_WARN_CONTEXT_ANALYSIS=y
CONFIG_WARN_CONTEXT_ANALYSIS_ALL=n
Found unset config items in riscv riscv64, please set them to an appropriate value
CONFIG_WARN_CONTEXT_ANALYSIS=y
CONFIG_WARN_CONTEXT_ANALYSIS_ALL=n
Found unset config items in s390 s390x-debug, please set them to an appropriate value
CONFIG_WARN_CONTEXT_ANALYSIS=y
CONFIG_WARN_CONTEXT_ANALYSIS_ALL=n
Found unset config items in s390 s390x, please set them to an appropriate value
CONFIG_WARN_CONTEXT_ANALYSIS=y
CONFIG_WARN_CONTEXT_ANALYSIS_ALL=n
Found unset config items in x86_64 x86_64-debug, please set them to an appropriate value
CONFIG_WARN_CONTEXT_ANALYSIS=y
CONFIG_WARN_CONTEXT_ANALYSIS_ALL=n
Found unset config items in x86_64 x86_64-rt-debug, please set them to an appropriate value
CONFIG_WARN_CONTEXT_ANALYSIS=y
CONFIG_WARN_CONTEXT_ANALYSIS_ALL=n
Found unset config items in x86_64 x86_64-rt, please set them to an appropriate value
CONFIG_WARN_CONTEXT_ANALYSIS=y
CONFIG_WARN_CONTEXT_ANALYSIS_ALL=n
Found unset config items in x86_64 x86_64, please set them to an appropriate value
CONFIG_WARN_CONTEXT_ANALYSIS=y
CONFIG_WARN_CONTEXT_ANALYSIS_ALL=n
Found unset config items in arm64 aarch64-debug, please set them to an appropriate value
CONFIG_WARN_CONTEXT_ANALYSIS=y
CONFIG_WARN_CONTEXT_ANALYSIS_ALL=n
Found unset config items in arm64 aarch64-rt-64k-debug, please set them to an appropriate value
CONFIG_WARN_CONTEXT_ANALYSIS=y
CONFIG_WARN_CONTEXT_ANALYSIS_ALL=n
Found unset config items in arm64 aarch64-rt-64k, please set them to an appropriate value
CONFIG_WARN_CONTEXT_ANALYSIS=y
CONFIG_WARN_CONTEXT_ANALYSIS_ALL=n
Found unset config items in arm64 aarch64-rt-debug, please set them to an appropriate value
CONFIG_WARN_CONTEXT_ANALYSIS=y
CONFIG_WARN_CONTEXT_ANALYSIS_ALL=n
Found unset config items in arm64 aarch64-rt, please set them to an appropriate value
CONFIG_WARN_CONTEXT_ANALYSIS=y
CONFIG_WARN_CONTEXT_ANALYSIS_ALL=n
Found unset config items in arm64 aarch64, please set them to an appropriate value
CONFIG_WARN_CONTEXT_ANALYSIS=y
CONFIG_WARN_CONTEXT_ANALYSIS_ALL=n
Found unset config items in powerpc ppc64le-debug, please set them to an appropriate value
CONFIG_WARN_CONTEXT_ANALYSIS=y
CONFIG_WARN_CONTEXT_ANALYSIS_ALL=n
Found unset config items in powerpc ppc64le, please set them to an appropriate value
CONFIG_WARN_CONTEXT_ANALYSIS=y
CONFIG_WARN_CONTEXT_ANALYSIS_ALL=n
```

This is the rpmbuild command used:
`rpmbuild --target x86_64 --with up --with toolchain_clang --without trace --without arm64_16k --without arm64_64k --without realtime --without zfcpdump --with clang_lto --with base --without debug --rebuild kernel-7.0.0-0.rc2.21.test.fc45.src.rpm`

Jira: CKI-7451(https://issues.redhat.com/browse/CKI-7451)