Fix R 3.6.3 on Power9

[branfosj]

(created using eb --new-pr)

Requires easybuilders/easybuild-easyblocks#1949

Add the change to liquidSVM from #9830

[lexming]

Test report by @lexming
SUCCESS
Build succeeded for 1 out of 1 (1 easyconfigs in this PR)
node154.hydra.os - Linux centos linux 7.7.1908, x86_64, Intel(R) Xeon(R) CPU E5-2680 v2 @ 2.80GHz, Python 2.7.5
See https://gist.github.com/11d80364cfb766d9856c6358a1df2516 for a full test report.

[lexming]

LGTM

[lexming]

Based on feedback from @Flamefire , these changes do not cause issues without easybuilders/easybuild-easyblocks#1949. So, I'll merge them right away to be on par with R v3.6.2.
Going in, thanks @branfosj !

[branfosj]

Test report by @branfosj
SUCCESS
Build succeeded for 1 out of 1 (1 easyconfigs in this PR)
bear-pg0211u03a.bear.cluster - Linux centos linux 7.7.1908, x86_64, Intel(R) Xeon(R) Gold 6248 CPU @ 2.50GHz (cascadelake), Python 3.6.8
See https://gist.github.com/b7c0b6c84ab9064e526e59de692f17d6 for a full test report.

[branfosj]

Test report by @branfosj
SUCCESS
Build succeeded for 1 out of 1 (1 easyconfigs in this PR)
bber0501u03a.bb2.cluster - Linux centos linux 7.7.1908, x86_64, Intel(R) Xeon(R) CPU E5-2690 v3 @ 2.60GHz (haswell), Python 3.6.8
See https://gist.github.com/e5e2a9043569c67fffb67ccd3930d552 for a full test report.

[branfosj]

Test report by @branfosj
SUCCESS
Build succeeded for 1 out of 1 (1 easyconfigs in this PR)
bear-pg0305u05a.bear.cluster - Linux RHEL 7.6, POWER, 8335-GTX (power9le), Python 3.6.8
See https://gist.github.com/cbf1dbaa3bd12e0e772c49f244bb2163 for a full test report.