pxe_api.h: finish revert of 9acbffd

9acbffd33b9200ffe37833463b4d4478e824295a caused more issues than it solves.
There appears to be a bigger underlying issue that the __weak argument masks.
Until the underlying issue is solved, we need __weak.

Signed-off-by: Gene Cumm <gene.cumm@gmail.com>
1 file changed