This update for installation-images fixes the following issues:

- adjust to glibc-locale package split
- aarch64: add gpio-thunderx.ko module (bsc#1106114)
- adjust to iptables using update-alternatives (bsc#1108289)
- Make monitor miror mode during installation the default again
(bsc#1108905)
- Add ptp_qoriq to module.config
- add bcache-tools to installation initrd (fate#325346)
- Fix rpi file list
- hdimage: Use at least FAT16
- add raspberry pi firmware files
- get leap version from %sle_version macro (bsc#1103208)
- etc: update module.config to match 4.18
- add pinctrl-* modules (bsc#1095796)
- add bcm43xx-firmware (bsc#1099327)
- Tidy module.config comment notes
- Add mailbox modules (bsc#1040492)
- include all kernel input modules (bsc#1095289)
- etc: update module.config to match 4.17

This update was imported from the SUSE:SLE-15:Update update project.