build: drop lld from install-dependencies.sh on s390x

lld is not available any more on s390x. Since it's optional, we can
just drop it on that platform.

Closes #8430

install-dependencies.sh

@@ -81,7 +81,6 @@ fedora_packages=(
     ethtool
     hwloc
     glibc-langpack-en
-    lld
     xxhash-devel
     makeself
     libzstd-static libzstd-devel
@@ -94,6 +93,12 @@ fedora_packages=(
     curl
 )
 
+# lld is not available on s390x, see
+# https://src.fedoraproject.org/rpms/lld/c/aa6e69df60747496f8f22121ae8cc605c9d3498a?branch=rawhide
+if [ "$(uname -m)" != "s390x" ]; then
+    fedora_packages+=(lld)
+fi
+
 fedora_python3_packages=(
     python3-pyyaml
     python3-urwid