Add 'multilib' to powerpc

Author: danielinux

sim/Dockerfile

@@ -6,6 +6,7 @@ ENV DEBIAN_FRONTEND=noninteractive
 
 RUN apt-get update && apt-get install -y --no-install-recommends \
     libc6-dev-i386 \
+    gcc-multilib \
     check \
     && rm -rf /var/lib/apt/lists/* \
     && apt-get clean