(PA-4719) Add AIX 7.2 platform

We still need to bootstrap openssl 1.0.2 so that we can connect to artifactory
to download aix-yum.sh, which installs yum on AIX. Then we can use yum to
install non-pl-build-tools gcc, etc.

configs/platforms/aix-7.2-ppc.rb

@@ -0,0 +1,45 @@
+platform "aix-7.2-ppc" do |plat|
+  # os_version = 7.2
+  plat.make "gmake"
+  plat.mktemp "/opt/freeware/bin/mktemp -d -p /var/tmp"
+  plat.patch "/opt/freeware/bin/patch"
+  plat.rpmbuild "/usr/bin/rpm"
+  plat.servicetype "aix"
+  plat.tar "/opt/freeware/bin/tar"
+
+  plat.provision_with %[
+curl -O https://artifactory.delivery.puppetlabs.net/artifactory/generic__buildsources/openssl-1.0.2.1800.tar.Z;
+uncompress openssl-1.0.2.1800.tar.Z;
+tar xvf openssl-1.0.2.1800.tar;
+cd openssl-1.0.2.1800 && /usr/sbin/installp -acgwXY -d $PWD openssl.base;
+curl --output yum.sh https://artifactory.delivery.puppetlabs.net/artifactory/generic__buildsources/buildsources/aix-yum.sh && sh yum.sh]
+
+packages = %w(
+    autoconf
+    cmake
+    coreutils
+    gawk
+    gcc
+    gcc-c++
+    gdbm
+    gmp
+    libffi
+    libyaml
+    make
+    perl
+    pkg-config
+    readline
+    readline-devel
+    sed
+    tar
+    zlib
+    zlib-devel
+  )
+  plat.provision_with "yum install --assumeyes #{packages.join(' ')}"
+
+  # No upstream rsync packages
+  plat.provision_with "rpm -Uvh https://artifactory.delivery.puppetlabs.net/artifactory/rpm__remote_aix_linux_toolbox/RPMS/ppc/rsync/rsync-3.0.6-1.aix5.3.ppc.rpm"
+
+  plat.install_build_dependencies_with "yum install --assumeyes "
+  plat.vmpooler_template "aix-7.2-power"
+end