ibmi: add stub function to satisfy linker (#4905) #116

Job	Run time
build-android	3m 55s
build-linux	1m 41s
build-macos (macos-14)	2m 28s
build-macos (macos-13)	4m 9s
build-ios (macos-13)	1m 33s
build-ios (macos-14)	1m 8s
build-cross-qemu-arm	2m 21s
build-cross-qemu-aarch64	4m 15s
build-cross-qemu-ppc	2m 1s
build-cross-qemu-ppc64le	2m 58s
build-cross-qemu-armhf	4m 38s
build-cross-qemu-riscv64	4m 2s
build-cross-qemu-ppc64	3m 43s
build-cross-qemu-mips	15m 29s
build-cross-qemu-aarch64 (u64 slots)	2m 52s
build-cross-qemu-arm (u64 slots)	3m 0s
build-cross-qemu-mips64	4m 4s
build-cross-qemu-s390x	2m 10s
build-cross-qemu-mipsel	3m 53s
build-cross-qemu-ppc (u64 slots)	3m 33s
build-cross-qemu-ppc64 (u64 slots)	2m 18s
build-cross-qemu-mips64el	3m 2s
	1h 19m 13s

Provide feedback