Merge remote-tracking branch 'remotes/afaerber/tags/ppc-for-2.0' into staging

PowerPC queue for 2.0

* OpenPIC fix
* MSR fixes for POWER7 upwards
* TCG instruction set support fix for POWER8

# gpg: Signature made Thu 27 Mar 2014 16:12:12 GMT using RSA key ID 3E7E013F
# gpg: Good signature from "Andreas Färber <afaerber@suse.de>"
# gpg:                 aka "Andreas Färber <afaerber@suse.com>"

* remotes/afaerber/tags/ppc-for-2.0:
  target-ppc: MSR_POW not supported on POWER7/7+/8
  target-ppc: POWER7+ supports the MSR_VSX bit
  target-ppc: POWER8 supports isel
  target-ppc: POWER8 supports the MSR_LE bit
  intc/openpic_kvm: Fix MemListener delete region callback function

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>