Merge tag 'hw-misc-20251104' of https://github.com/philmd/qemu into staging

Merge tag 'hw-misc-20251104' of https://github.com/philmd/qemu into staging

Misc HW patches

- Add RPMB emulation to eMMC model
- Use generic MachineState::fdt field in microvm machine
- Remove dead code in ac97_realize()

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# gpg: Signature made Wed 05 Nov 2025 09:56:35 AM CET
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# Primary key fingerprint: FAAB E75E 1291 7221 DCFD  6BB2 E3E3 2C2C DEAD C0DE

* tag 'hw-misc-20251104' of https://github.com/philmd/qemu:
  hw/audio: Remove dead code from ac97_realize
  hw/i386/microvm: Use fdt field from MachineState
  docs: Add eMMC device model description
  scripts: Add helper script to generate eMMC block device images
  hw/sd/sdcard: Handle RPMB MAC field
  hw/sd/sdcard: Add basic support for RPMB partition
  hw/sd/sdcard: Allow user creation of eMMCs
  hw/sd/sdcard: Fix size check for backing block image

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