yaboot is deprecated on newer power distributions

Signed-off-by: Dinar Valeev <dvaleev@suse.com>
drop ppc64 profile for sle12

Starting openSUSE 13.1 we have no longer kernel-ppc64 available
anymore

Signed-off-by: Dinar Valeev <dvaleev@suse.com>
SLED is x86 only

Signed-off-by: Dinar Valeev <dvaleev@suse.com>
Fix ofw firmware type
- Use the x86-64-xen or i386-xen format for the grub2 image creation on EC2
  + this is a follow up change for b1be72f59f5f4498 addressing bnc #887801
    we avoid the hacky symlink introduced by the previous commit.
    This change requires a grub release that contains
    http://git.savannah.gnu.org/cgit/grub.git/commit/ChangeLog?id=9612ebc0
Merge pull request #384 from k0da/master

A series of PowerPC fixes
- Optimize size of kiwi initrd
  * remove unneeded python installation which exists only
    due to building the initrd rootfs using zypper
  * make sure dracut scripts stays
- Fixed use of IFS in bash boot code
  * don't use internal field separator in main boot scripts
    to avoid tainting of the global variable space
  * don't use internal field separator in user config
    functions in KIWIConfig.sh to avoid conflicts
  * make sure every function in the KIWILinuxRC.sh pool
    starts with a localized and default initialized IFS
    value
- Use systemd-vconsole-setup to initialize the console if present
Merge pull request #385 from rjschwei/grb2XenTgt

Cleanup for grub2 xen setup (bnc #887801)
- keep console keytables and loadkeys in initrd for pwd dialogs
- keep klogconsole as debug helper tool in initrd
- v5.06.146 released