sync based on mainstream IPXE commit 0b3000bbece3f96d1c4e00aaf93968f6905105bb
Sync with IPXE commit c63ef427a2b18d318b313a4adf6267bb4dfa0c1c
- sync with IPXE commit a95966955c6904b975b0ccec0dd338385fb3066b - renamed testing to beta
sync with ipxe commit ebf2eaf515e46abd43bc798e7e4ba77bfe529218
sync with IPXE commit 64b4452bca04af433f1c98ab782c0e93cd5c88c0