Recommended update for python-kiwi

This update for python-kiwi fixes the following issues:

- Fixed checking for root device in grub config. (bsc#1172928)
- Fix for conflicting files of man-pages between different versions. (bsc#1168973, bsc#1156677)

This update was imported from the SUSE:SLE-15-SP1:Update update project.

Fixed bugs
bnc#1156677
python3-kiwi has incompatibility issues with python3-kiwi
bnc#1168973
File conflicts from python3-kiwi
bnc#1172928
Oracle cloud images uses wrong root device
Selected Binaries
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