Add ROCm 5.0.2 for x86_64

For more information, see the documentation at:
  - ROCm 5.0:   https://docs.amd.com/category/ROCm_v5.0
  - ROCm 5.0.2: https://docs.amd.com/category/ROCm_v5.0.2

cmssw-tool-conf.spec

@@ -166,6 +166,7 @@ Requires: oracle
 Requires: icc
 Requires: icx
 Requires: intel-vtune
+Requires: rocm
 Requires: cmsmon-tools
 Requires: dip
 %else

rocm.spec

@@ -0,0 +1,20 @@
+### RPM external rocm 5.0.2
+## NOCOMPILER
+Source: none
+Provides: libamd_comgr.so.2()(64bit)
+Provides: libhsa-runtime64.so.1()(64bit)
+Provides: librocm-core.so.1()(64bit)
+Provides: librocm_smi64.so.5()(64bit)
+
+%prep
+
+%build
+
+%install
+
+%post
+OSDIR=/cvmfs/patatrack.cern.ch/externals/%{_arch}/rhel%{rhel}
+if ! [ -d $OSDIR ]; then
+  OSDIR=/cvmfs/patatrack.cern.ch/externals/%{_arch}/unknown
+fi
+ln -s ${OSDIR}/amd/%{n}-%{realversion}/* ${RPM_INSTALL_PREFIX}/%{pkgrel}/