Merge remote-tracking branch 'remotes/mcayland/tags/qemu-sparc-20201028' into staging

qemu-sparc queue

# gpg: Signature made Wed 28 Oct 2020 08:17:23 GMT
# gpg:                using RSA key CC621AB98E82200D915CC9C45BC2C56FAE0F321F
# gpg:                issuer "mark.cave-ayland@ilande.co.uk"
# gpg: Good signature from "Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>" [full]
# Primary key fingerprint: CC62 1AB9 8E82 200D 915C  C9C4 5BC2 C56F AE0F 321F

* remotes/mcayland/tags/qemu-sparc-20201028:
  hw/pci-host/sabre: Simplify code initializing variable once
  hw/pci-host/sabre: Remove superfluous address range check
  hw/pci-host/sabre: Update documentation link
  sabre: increase number of PCI bus IRQs from 32 to 64
  hw/display/tcx: Allow 64-bit accesses to framebuffer stippler and blitter
  sabre: don't call sysbus_mmio_map() in sabre_realize()
  sparc32-ledma: don't reference nd_table directly within the device
  sparc32-espdma: use object_initialize_child() for esp child object
  sparc32-ledma: use object_initialize_child() for lance child object
  sparc32-dma: use object_initialize_child() for espdma and ledma child objects

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