scripts: add zfcp module to s390x images

Requires :
https://gitlab.alpinelinux.org/tmhoang/mkinitfs/-/merge_requests/1
7 jobs for !11648 with zfcp in 3 minutes and 48 seconds (queued for 52 seconds)
latest detached
Status Job ID Name Coverage
  Lint
passed #271500
docker-alpine x86_64
lint

00:00:20

 
  Build
passed #271505
docker-alpine ci-build aarch64
build-aarch64

00:00:32

passed #271506
docker-alpine ci-build armv7
build-armv7

00:00:36

passed #271504
docker-alpine ci-build ppc64le
build-ppc64le

00:01:07

passed #271503
docker-alpine ci-build s390x
build-s390x

00:00:43

passed #271502
docker-alpine ci-build x86
build-x86

00:00:20

passed #271501
docker-alpine ci-build x86_64
build-x86_64

00:00:26