Merge remote-tracking branch 'remotes/pmaydell/tags/pull-target-arm-20171120' into staging

target-arm queue:
 * hw/arm: Silence xlnx-ep108 deprecation warning during tests
 * hw/arm/aspeed: Unlock SCU when running kernel
 * arm: check regime, not current state, for ATS write PAR format
 * nvic: Fix ARMv7M MPU_RBAR reads
 * target/arm: Report GICv3 sysregs present in ID registers if needed

# gpg: Signature made Mon 20 Nov 2017 17:35:25 GMT
# gpg:                using RSA key 0x3C2525ED14360CDE
# gpg: Good signature from "Peter Maydell <peter.maydell@linaro.org>"
# gpg:                 aka "Peter Maydell <pmaydell@gmail.com>"
# gpg:                 aka "Peter Maydell <pmaydell@chiark.greenend.org.uk>"
# Primary key fingerprint: E1A5 C593 CD41 9DE2 8E83  15CF 3C25 25ED 1436 0CDE

* remotes/pmaydell/tags/pull-target-arm-20171120:
  hw/arm: Silence xlnx-ep108 deprecation warning during tests
  hw/arm/aspeed: Unlock SCU when running kernel
  arm: check regime, not current state, for ATS write PAR format
  nvic: Fix ARMv7M MPU_RBAR reads
  target/arm: Report GICv3 sysregs present in ID registers if needed

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