fdt_node_offset_by_phandle
int fdt_node_offset_by_phandle(const void *fdt, uint32_t phandle);
int node = fdt_node_offset_by_phandle(gFDT, interrupt_parent_phandle);
int interruptParent = fdt_node_offset_by_phandle(gFDT, irqEntry.parentIrqCtrl);
ret = fdt_node_offset_by_phandle(fdt, phandle);
int parentNode = fdt_node_offset_by_phandle(fdt, parentPhandle);
return fdt_node_offset_by_phandle(fdt, phandle);
int offset = fdt_node_offset_by_phandle(fdt, phandle);