Merge tag 'qemu-sparc-20230605' of https://github.com/mcayland/qemu into staging

Merge tag 'qemu-sparc-20230605' of https://github.com/mcayland/qemu into staging

qemu-sparc queue

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# gpg: Signature made Mon 05 Jun 2023 04:18:19 AM PDT
# gpg:                using RSA key CC621AB98E82200D915CC9C45BC2C56FAE0F321F
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# gpg: Good signature from "Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>" [unknown]
# gpg: WARNING: This key is not certified with a trusted signature!
# gpg:          There is no indication that the signature belongs to the owner.
# Primary key fingerprint: CC62 1AB9 8E82 200D 915C  C9C4 5BC2 C56F AE0F 321F

* tag 'qemu-sparc-20230605' of https://github.com/mcayland/qemu:
  hw/isa/i82378: Remove unused "io" attribute
  hw/arm/omap: Remove unused omap_uart_attach()
  hw/timer/i8254_common: Share "iobase" property via base class

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>