docs: gnu9 -> gnu12 for mpi on aarch64 (one more place)
@@ -30,7 +30,7 @@ instead as a drop-in MPICH replacement:
% ohpc_command if [[ ${enable_mpich_ucx} -eq 1 ]];then
% ohpc_indent 5
\begin{lstlisting}[language=bash]
-[sms](*\#*) (*\install*) mpich-ucx-gnu9-ohpc
+[sms](*\#*) (*\install*) mpich-ucx-gnu12-ohpc
\end{lstlisting}
% ohpc_indent 0
% ohpc_command fi
@@ -43,7 +43,7 @@ highlighted is below.
\begin{lstlisting}[language=bash]
[sms](*\#*) module avail mpich
--------------------- /opt/ohpc/pub/moduledeps/gnu9 ---------------------
+-------------------- /opt/ohpc/pub/moduledeps/gnu12 ---------------------
mpich/3.3.2-ofi mpich/3.3.2-ucx (D)
\end{lstlisting}
