bzip2 --version |grep -c will wait for input on stdin. ./buildgcc will hang because of this.
Add `cat /dev/null |` close the stdin.
Change-Id: I2a8b08a4d90ca7a89705923d5b68ba6ac13f29b3
Signed-off-by: Alexander Couzens <lynxis@fe80.eu>
Reviewed-on: http://review.coreboot.org/9605
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <pgeorgi@google.com>