Install both ramdisks in the ipa downloader

- Make the different ipa-ramdisk packages installable side by side
- Clean the ipa-downloader Dockerfile from what seems to be unneeded
- Get both images in
- Use zstd instead of xz for better speed
- Check sums before redoing certs integration
- Add value to metal3 chart to select between architectures
- Get the two ESP available as well

Signed-off-by: Nicolas Belouin <nicolas.belouin@suse.com>

shim-noarch/shim.spec

@@ -65,7 +65,7 @@ rpm2cpio %{SOURCE1} | cpio --extract --unconditional --preserve-modification-tim
 # purely repackaged
 cp -a * %{buildroot}
 rm -rf %{buildroot}/usr/lib64/efi
-rm /etc/uefi/certs/BCA4E38E-shim.crt /usr/sbin/shim-install /usr/share/doc/packages/shim/COPYRIGHT
+rm %{buildroot}/etc/uefi/certs/BCA4E38E-shim.crt %{buildroot}/usr/sbin/shim-install %{buildroot}/usr/share/doc/packages/shim/COPYRIGHT
 
 %files aarch64
 %defattr(-,root,root)