[...]
create mode 100644 debian/installer/powerpc/modules/powerpc-powerpc64le/affs-modules
I didn't realise AmigaOS was being ported too. :-)
[...]
create mode 100644 debian/installer/powerpc/modules/powerpc-powerpc64le/hfs-modules
No need for HFS(+) support as MacOS never ran on this platform.
[...]
create mode 100644 debian/installer/powerpc/modules/powerpc-powerpc64le/nic-pcmcia-modules
There's no need to support PCMCIA on a shiny new platform.
create mode 100644 debian/installer/powerpc/modules/powerpc-powerpc64le/nic-shared-modules
create mode 100644 debian/installer/powerpc/modules/powerpc-powerpc64le/pata-modules
[...]
Or PATA.
And all these files belong in debian/installer/ppc64el as discussed.