[coreboot-gerrit] Patch merged into coreboot/master: 004295d xcompile: fail earlier on missing host tools

the following patch was just integrated into master:
commit 004295d86d7bbd6cfb0ce9767cbc1a2adbf61891
Author: Patrick Georgi 
Date:   Wed May 14 14:26:07 2014 +0200

xcompile: fail earlier on missing host tools

No need to test all the cross compiler things if
    there's no host compiler or iasl.
    Also test that the alternatives work, instead of
    assuming iasl or cc are in the path.

Change-Id: I1d2293873f4bf1bb525d794851ec20adddb05ac6
    Signed-off-by: Patrick Georgi 
    Reviewed-on: http://review.coreboot.org/5742
    Tested-by: build bot (Jenkins)
    Reviewed-by: Edward O'Callaghan 
    Reviewed-by: Stefan Reinauer

See http://review.coreboot.org/5742 for details.

-gerrit