use %(arch)s template to avoid hardcoding x86_64 in recent XML-LibXML easyconfigs

[boegel]

(created using eb --new-pr)

[boegel]

@boegelbot please test @ generoso

[boegelbot]

@boegel: Request for testing this PR well received on login1

PR test command 'EB_PR=14655 EB_ARGS= /opt/software/slurm/bin/sbatch --job-name test_PR_14655 --ntasks=4 ~/boegelbot/eb_from_pr_upload_generoso.sh' executed!

• exit code: 0
• output:

Submitted batch job 7640

Test results coming soon (I hope)...

- notification for comment with ID 1005092084 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).

[boegel]

Test report by @boegel
SUCCESS
Build succeeded for 3 out of 3 (3 easyconfigs in total)
easybuild2.novalocal - Linux centos stream 8, POWER, IBM pSeries (emulated by qemu) (power9le), Python 3.6.8
See https://gist.github.com/e22d6c13b5d6583d5487786c55942f11 for a full test report.

[boegelbot]

Test report by @boegelbot
SUCCESS
Build succeeded for 3 out of 3 (3 easyconfigs in total)
cns1 - Linux rocky linux 8.4, x86_64, Intel(R) Xeon(R) CPU E5-2667 v3 @ 3.20GHz (haswell), Python 3.6.8
See https://gist.github.com/bce0d07aaffe2511cee7e346a2d1f058 for a full test report.

[boegel]

Test report by @boegel
SUCCESS
Build succeeded for 3 out of 3 (3 easyconfigs in total)
fair-mastodon-c6g-2xlarge-0002 - Linux rocky linux 8.5, AArch64, ARM UNKNOWN (graviton2), Python 3.6.8
See https://gist.github.com/fa92d2d39e367ef6540d2998076032a0 for a full test report.

[migueldiascosta]

lgtm

[branfosj]

Test report by @branfosj
SUCCESS
Build succeeded for 3 out of 3 (3 easyconfigs in total)
bear-pg0211u08b.bear.cluster - Linux RHEL 8.5, x86_64, Intel(R) Xeon(R) Gold 6248 CPU @ 2.50GHz (cascadelake), Python 3.6.8
See https://gist.github.com/6ccba434fa541eb23f7d4e79d497fb18 for a full test report.

[branfosj]

Test report by @branfosj
SUCCESS
Build succeeded for 3 out of 3 (3 easyconfigs in total)
bear-pg0305u03a.bear.cluster - Linux RHEL 8.5, POWER, 8335-GTX (power9le), 1 x NVIDIA Tesla V100-SXM2-16GB, 470.57.02, Python 3.6.8
See https://gist.github.com/09ed398dcec76d4c86b4fc14280fbf4d for a full test report.

[branfosj]

lgtm

[branfosj]

Going in, thanks @boegel!