hw/sparc: Use memory_region_init_rom() with read-only regions

This commit was produced with the Coccinelle script
scripts/coccinelle/memory-region-housekeeping.cocci.

Reviewed-by: KONRAD Frederic <frederic.konrad@adacore.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
1 file changed