ppc/vof: Fix unaligned FDT property access

FDT properties are aligned by 4 bytes, not 8 bytes.

Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>

hw/ppc/vof.c

@@ -646,7 +646,7 @@ static void vof_dt_memory_available(void *fdt, GArray *claimed, uint64_t base)
     mem0_reg = fdt_getprop(fdt, offset, "reg", &proplen);
     g_assert(mem0_reg && proplen == sizeof(uint32_t) * (ac + sc));
     if (sc == 2) {
-        mem0_end = be64_to_cpu(*(uint64_t *)(mem0_reg + sizeof(uint32_t) * ac));
+        mem0_end = ldq_be_p(mem0_reg + sizeof(uint32_t) * ac);
     } else {
         mem0_end = be32_to_cpu(*(uint32_t *)(mem0_reg + sizeof(uint32_t) * ac));
     }