fdt_find_phandle
mbusc = fdt_find_phandle(OF_getpropint(faa->fa_node, "controller", 0));
node = fdt_find_phandle(phandle);
node = fdt_find_phandle(shmems[0]);
node = fdt_find_phandle(shmems[1]);
node = fdt_find_phandle(phandle);
void *fdt_find_phandle(uint32_t);