Add support for building OpenBLAS on ARM TSV110 with GCC 8.3

[Flamefire]

(created using eb --new-pr)

[Flamefire]

This should fix the issue from #11251 (comment)

@terjekv Please test

[terjekv]

Will test, thanks! My test box needs the entire stack before GCC-8.3.0.eb but that shouldn't take too long.

[boegel]

lgtm

[boegel]

@boegelbot please test @ generoso

[boegelbot]

@boegel: Request for testing this PR well received on generoso

PR test command 'EB_PR=11464 EB_ARGS= /apps/slurm/default/bin/sbatch --job-name test_PR_11464 ~/boegelbot/eb_from_pr_upload_generoso.sh' executed!

• exit code: 0
• output:

Submitted batch job 8052

Test results coming soon (I hope)...

- notification for comment with ID 707006386 processed

Message to humans: this is just bookkeeping information for me,
it is of no use to you (unless you think I have a bug, which I don't).

[boegelbot]

Test report by @boegelbot
SUCCESS
Build succeeded for 1 out of 1 (1 easyconfigs in this PR)
generoso-x-2 - Linux centos linux 8.2.2004, x86_64, Intel(R) Xeon(R) CPU E5-2667 v3 @ 3.20GHz (haswell), Python 3.6.8
See https://gist.github.com/c8f41ce5618705e1c67ac4139cbefdec for a full test report.

[boegel]

Test report by @boegel
SUCCESS
Build succeeded for 1 out of 1 (1 easyconfigs in this PR)
node3404.kirlia.os - Linux centos linux 7.8.2003, x86_64, Intel(R) Xeon(R) Gold 6240 CPU @ 2.60GHz (cascadelake), Python 2.7.5
See https://gist.github.com/f2973f27a2a7fb33611e5f4951a2af54 for a full test report.

[terjekv]

Test report by @terjekv
SUCCESS
Build succeeded for 1 out of 1 (1 easyconfigs in this PR)
arm2 - Linux ubuntu 18.04, AArch64, UNKNOWN, Python 3.6.9
See https://gist.github.com/831277169024cfcad0d0413022e662dc for a full test report.

[boegel]

Going in, thanks @Flamefire!