lscpu: minor cleanup and improve hypervisor detection

- add HYPER_VBOX
- improve HYPER_VMWARE

This patch comes from openSUSE / SLE. Original author was probably
Petr Uzel.
Internal SUSE references: fate310255, sr226509

CC: Stanislav Brabec <sbrabec@suse.cz>
CC: Petr Uzel <petr.uzel@suse.cz>
Signed-off-by: Ruediger Meier <ruediger.meier@ga-group.nl>
tests: add vbox lscpu dump

Taken from openSUSE-13.1 guest in VirtualBox-4.3.10 (host=Win7):
   Hypervisor vendor:     Oracle
   Virtualization type:   full

Dump was provides by Bernhard Voelker.

CC: Bernhard Voelker <mail@bernhard-voelker.de>
Signed-off-by: Ruediger Meier <ruediger.meier@ga-group.nl>
lscpu: detect OS/400 and pHyp hypervisors

This patch comes originally from openSUSE / SLE. Author was probably
Petr Uzel.
Internal SUSE references: fate310255, sr226509

In comparison to the original patch we have slightly corrected iSeries
and pSeries detection according to Alexander Graf's comments on
util-linux@vger.kernel.org. Maybe we would need to add some more code
to detect pSeries emulated by Qemu/KVM.

CC: Stanislav Brabec <sbrabec@suse.cz>
CC: Petr Uzel <petr.uzel@suse.cz>
CC: Alexander Graf <agraf@suse.de>
Signed-off-by: Ruediger Meier <ruediger.meier@ga-group.nl>
tests: add lscpu IBM pSeries test data

Just adding missing files
  /proc/device-tree/ibm,partition-name
  /proc/device-tree/hmc-managed?
to our existing lscpu-ppc64-POWER7-64cpu dump.

Signed-off-by: Ruediger Meier <ruediger.meier@ga-group.nl>
lscpu: improve vmware detection

This patch comes from openSUSE / SLE. Original author was probably
Petr Uzel.
Internal SUSE references: fate310255, sr226509

VMmware backdoor assembler code has been fixed for old clang compiler
(travis), see
see http://llvm.org/bugs/show_bug.cgi?id=9379

CC: Stanislav Brabec <sbrabec@suse.cz>
CC: Petr Uzel <petr.uzel@suse.cz>
Signed-off-by: Ruediger Meier <ruediger.meier@ga-group.nl>
Merge branch 'lscpu-detect-v3' of https://github.com/rudimeier/util-linux

* 'lscpu-detect-v3' of https://github.com/rudimeier/util-linux:
  lscpu: improve vmware detection
  tests: add lscpu IBM pSeries test data
  lscpu: detect OS/400 and pHyp hypervisors
  tests: add vbox lscpu dump
  lscpu: minor cleanup and improve hypervisor detection