[build] Use SOURCE_DATE_EPOCH for isohybrid MBR ID if it exists

Signed-off-by: Michael Brown <mcb30@ipxe.org>
1 file changed
tree: 89504ad45203f10f2b0ce54bc2ec7bf63ff30c90
  1. .github/
  2. contrib/
  3. src/
  4. COPYING
  5. COPYING.GPLv2
  6. COPYING.UBDL
  7. README