testing/gcc-cross-embedded-stage1: upgrade to 9.2.0

- Upgrade to version 9.2.0
- Removed unneeded curly braces when accessing variables
- Removed unneeded cd $builddir
7 jobs for !699 with gcc-cross-embedded-stage1 in 27 minutes and 44 seconds
detached
Status Job ID Name Coverage
  Lint
passed #13631
docker-alpine x86_64
lint

00:00:30

 
  Build
passed #13636
docker-alpine ci-build aarch64
build-aarch64

00:20:57

passed #13637
docker-alpine ci-build armv7
build-armv7

00:23:03

passed #13635
docker-alpine ci-build ppc64le
build-ppc64le

00:13:36

passed #13634
docker-alpine ci-build s390x
build-s390x

00:18:27

passed #13633
docker-alpine ci-build x86
build-x86

00:27:13

passed #13632
docker-alpine ci-build x86_64
build-x86_64

00:13:04