bios-enable-execution-restrictions [1] is not needed for ppc64le. NX/XD is a hardware cpu feature not available on ppc64le.
The Compliance Operator profiles ocp4-disa-stig and ocp4-disa-stig-node use bios-enable-execution-restrictions.

*References*
1. https://github.com/ComplianceAsCode/content/blob/master/linux_os/guide/system/permissions/restrictions/enable_nx/bios_enable_execution_restrictions/policy/stig/shared.yml
2. Kernel features https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/arch/powerpc/include/uapi/asm/cputable.h

4.17.0

Each time

1.Setup the ProfileBundle
2.create ocp4-disa-stig ocp4-disa-stig-node
3.Check the failed rule, it should be excluded

FAIL

Exclusion