Sbom Target should support s390 architecture for defconfig and allmodconfig:
make -j$(nproc) O=kernel_build ARCH=s390 CROSS_COMPILE=s390x-linux-gnu- mrproper defconfig sbom
make -j$(nproc) O=kernel_build ARCH=s390 CROSS_COMPILE=s390x-linux-gnu- mrproper allmodconfig sbom
Sbom Target should support
s390architecture fordefconfigandallmodconfig: