crossgcc: Enable powerpc64-linux target without ppc64-linux headers

It may still fail on non-Linux, and the compiler may do fancy things,
but it builds.

Change-Id: If3456f5fef8d01082a49978dc7cda5450f96f5cc
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Reviewed-on: https://review.coreboot.org/13416
Tested-by: build bot (Jenkins)
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
Reviewed-by: Timothy Pearson <tpearson@raptorengineeringinc.com>
1 file changed