ectool: Allow build under Cygwin

To build under Cygwin, ectool depends upon the package ioperm:
http://openwince.sourceforge.net/ioperm/

for sys/io.h and sys/perm.h.  This change causes the ectool make to correctly include and link against these headers and libraries.

Change-Id: I7d54ab5110c2bb1fd21dfa48d56031f3f29cd54e
Signed-off-by: Raymond Danks <ray.danks@se-eng.com>
Reviewed-on: http://review.coreboot.org/941
Tested-by: build bot (Jenkins)
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
1 file changed