Merge remote-tracking branch 'remotes/pmaydell/tags/pull-target-arm-20201123' into...

Merge remote-tracking branch 'remotes/pmaydell/tags/pull-target-arm-20201123' into staging

target-arm queue:
 * incorporate 'orphan' rST docs into manuals
 * linux-user/arm: Deliver SIGTRAP for UDF patterns used as breakpoints
 * target/arm: Make SYS_HEAPINFO work with RAM that doesn't start at 0
 * document raspi boards and tosa
 * docs/system: Deprecate raspi2/raspi3 machine aliases
 * docs/system/arm: Document OpenPOWER Witherspoon BMC model Front LEDs
 * MAINTAINERS: add lines for docs files for Arm boards
 * hw/intc: fix heap-buffer-overflow in rxicu_realize()
 * hw/arm: Fix bad print format specifiers
 * target/arm: fix stage 2 page-walks in 32-bit emulation

# gpg: Signature made Mon 23 Nov 2020 11:42:02 GMT
# gpg:                using RSA key E1A5C593CD419DE28E8315CF3C2525ED14360CDE
# gpg:                issuer "peter.maydell@linaro.org"
# gpg: Good signature from "Peter Maydell <peter.maydell@linaro.org>" [ultimate]
# gpg:                 aka "Peter Maydell <pmaydell@gmail.com>" [ultimate]
# gpg:                 aka "Peter Maydell <pmaydell@chiark.greenend.org.uk>" [ultimate]
# Primary key fingerprint: E1A5 C593 CD41 9DE2 8E83  15CF 3C25 25ED 1436 0CDE

* remotes/pmaydell/tags/pull-target-arm-20201123: (24 commits)
  docs/system/pr-manager.rst: Fix minor docs nits
  docs: Split qemu-pr-helper documentation into tools manual
  docs: Move pr-manager.rst into the system manual
  docs: Move microvm.rst into the system manual
  docs: Split out 'pc' machine model docs into their own file
  docs/system/virtio-pmem.rst: Fix minor style issues
  docs: Move virtio-pmem.rst into the system manual
  docs: Move cpu-hotplug.rst into the system manual
  docs: Move virtio-net-failover.rst into the system manual
  linux-user/arm: Deliver SIGTRAP for UDF patterns used as breakpoints
  target/arm: Make SYS_HEAPINFO work with RAM that doesn't start at 0
  docs/system/arm: Document the Sharp Zaurus SL-6000
  docs/system/arm: Document OpenPOWER Witherspoon BMC model Front LEDs
  docs/system/arm: Document the various raspi boards
  docs/system: Deprecate raspi2/raspi3 machine aliases
  MAINTAINERS: Cover system/arm/sx1.rst with OMAP machines
  MAINTAINERS: Cover system/arm/sbsa.rst with SBSA-REF machine
  MAINTAINERS: Fix system/arm/orangepi.rst path
  MAINTAINERS: Cover system/arm/nuvoton.rst with Nuvoton NPCM7xx
  MAINTAINERS: Cover system/arm/aspeed.rst with ASPEED BMC machines
  ...

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