arm: ghci hits an illegal instruction

Some GHCi tests on arm/linux ie:

(cd testsuite ; make TEST="print018 print020 print021 print022 print025")

fail, all with the same error:

Stderr:
Illegal instruction

Edited Mar 10, 2019 by erikd

To upload designs, you'll need to enable LFS and have an admin enable hashed storage. More information