Revert "toolchain/toolchain-external: update Arm ARM32 toolchain 11.2-2022.02"

As reported to Linaro bug tracker [1] the Arm GNU Toolchain generated
since 2022.02 doesn't work on all x86_64 host.

It still not fixed with 11.3.Rel1 release (2022.08).

Fixes #15006

[1] https://bugs.linaro.org/show_bug.cgi?id=5825#c19

This reverts commit 22d10e29

.

Signed-off-by: Romain Naour <romain.naour@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>