MFC r345628: dtc(1): Update to 1a79f5f26631
Highlights:
- Bugfix for order in which /delete-node/ and /delete-property/ are processed [0]
- /omit-if-no-ref/ support has been added (used only by U-Boot at this point, in theory)
- GPL dtc compat version bumped to 1.4.7
- Various small fixes and compatibility improvements