Merge remote-tracking branch 'remotes/pmaydell/tags/pull-target-arm-20150316' into...

target-arm queue:
 * fix handling of execute-never bits in page table walks
 * tell kernel to initialize KVM GIC in realize function
 * fix handling of STM (user) with r15 in register list
 * ignore low bit of PC in M-profile exception return
 * fix linux-user get/set_tls syscalls on CPUs with TZ

# gpg: Signature made Mon Mar 16 12:39:04 2015 GMT using RSA key ID 14360CDE
# gpg: Good signature from "Peter Maydell <peter.maydell@linaro.org>"

* remotes/pmaydell/tags/pull-target-arm-20150316:
  linux-user: Access correct register for get/set_tls syscalls on ARM TZ CPUs
  target-arm: Ignore low bit of PC in M-profile exception return
  target-arm: Fix handling of STM (user) with r15 in register list
  hw/intc/arm_gic: Initialize the vgic in the realize function
  target-arm: get_phys_addr_lpae: more xn control
  target-arm: fix get_phys_addr_v6/SCTLR_AFE access check
  target-arm: convert check_ap to ap_to_rw_prot

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