[efi] Extend efi_locate_device() to allow searching up the device path

Extend the functionality of efi_locate_device() to allow callers to
find instances of the protocol that may exist further up the device
path.

Signed-off-by: Michael Brown <mcb30@ipxe.org>
4 files changed
tree: a81c522bfe50ab496e0aa078a95f6cb4e2cbd0ba
  1. .github/
  2. contrib/
  3. src/
  4. COPYING
  5. COPYING.GPLv2
  6. COPYING.UBDL
  7. README