misc: Adding 'make' to the compiler Dockerfiles

While gem5 will compile without make, LTO cannot link on multiple
threads without it.

Change-Id: Id5552aaa295e194789ab5f355bb62a3657384d38
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/41873
Reviewed-by: Gabe Black <gabe.black@gmail.com>
Reviewed-by: Jason Lowe-Power <power.jg@gmail.com>
Maintainer: Jason Lowe-Power <power.jg@gmail.com>
Tested-by: kokoro <noreply+kokoro@google.com>
diff --git a/util/dockerfiles/ubuntu-18.04_clang-version/Dockerfile b/util/dockerfiles/ubuntu-18.04_clang-version/Dockerfile
index 97f3dbc..869a2c1 100644
--- a/util/dockerfiles/ubuntu-18.04_clang-version/Dockerfile
+++ b/util/dockerfiles/ubuntu-18.04_clang-version/Dockerfile
@@ -40,7 +40,7 @@
 RUN apt -y upgrade
 RUN apt -y install git m4 scons zlib1g zlib1g-dev clang-${version} \
     libprotobuf-dev protobuf-compiler libprotoc-dev libgoogle-perftools-dev \
-    python3-dev python3 python3-six doxygen
+    python3-dev python3 python3-six doxygen make
 
 RUN apt-get --purge -y remove gcc
 
diff --git a/util/dockerfiles/ubuntu-18.04_gcc-version/Dockerfile b/util/dockerfiles/ubuntu-18.04_gcc-version/Dockerfile
index 9f3da37..1723fd9 100644
--- a/util/dockerfiles/ubuntu-18.04_gcc-version/Dockerfile
+++ b/util/dockerfiles/ubuntu-18.04_gcc-version/Dockerfile
@@ -38,7 +38,7 @@
 RUN apt -y install git m4 scons zlib1g zlib1g-dev gcc-multilib \
     libprotobuf-dev protobuf-compiler libprotoc-dev libgoogle-perftools-dev \
     python3-dev python3 python3-six doxygen wget zip gcc-${version} \
-    g++-${version}
+    g++-${version} make
 
 RUN update-alternatives --install \
     /usr/bin/g++ g++ /usr/bin/g++-${version} 100
diff --git a/util/dockerfiles/ubuntu-20.04_gcc-version/Dockerfile b/util/dockerfiles/ubuntu-20.04_gcc-version/Dockerfile
index d2008b6..923fe63 100644
--- a/util/dockerfiles/ubuntu-20.04_gcc-version/Dockerfile
+++ b/util/dockerfiles/ubuntu-20.04_gcc-version/Dockerfile
@@ -38,7 +38,7 @@
 RUN apt -y install git m4 scons zlib1g zlib1g-dev libprotobuf-dev \
     protobuf-compiler libprotoc-dev libgoogle-perftools-dev python3-dev \
     python3-six python-is-python3 doxygen libboost-all-dev libhdf5-serial-dev \
-    python3-pydot libpng-dev gcc-${version} g++-${version}
+    python3-pydot libpng-dev gcc-${version} g++-${version} make
 
 RUN update-alternatives --install \
     /usr/bin/g++ g++ /usr/bin/g++-${version} 100