patch can not handle file mode headers and can therefore not be used to
create executable files. fixes 8a2a21d799
In addition commit every single patch and treat git patches as
potentially just diffs and not mails.
Signed-off-by: Henning Schild <henning.schild@siemens.com>
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>