hw/sd/sdcard: Add eMMC 'boot-partition-size' property

Avoid hardcoding 1MiB boot size in EXT_CSD_BOOT_MULT,
expose it as 'boot-partition-size' QOM property.

By default, do not use any size. The board is responsible
to set the boot partition size property.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Tested-by: Cédric Le Goater <clg@redhat.com>
Message-Id: <20240712162719.88165-10-philmd@linaro.org>
1 file changed