Rename tags/filters to markers

The purpose is to just mark patches. Tags will be applied
later and filters will work on tags.

Signed-off-by: Joerg Roedel <jroedel@suse.de>
Print full path names of patched files

Fix that it only gave the file name without the path.

Signed-off-by: Joerg Roedel <jroedel@suse.de>
Don't store markers upper case only

Since path names are in markers now, preserve the real path
names.

Signed-off-by: Joerg Roedel <jroedel@suse.de>
Print 'path:' instead of 'PATH:' in markers/paths.sh

Signed-off-by: Joerg Roedel <jroedel@suse.de>