Cleanup symlink to header files and folders

Due to a CPACK bug the package needs to remove header file
symlinks.  Cleanup is required for uninstall and upgrade
since each release installs to a different folder.

Change-Id: I5ec378b21e69235404781c7bce3c0203eb38eed1

runtime/hsa-runtime/DEBIAN/Dev/prerm.in

@@ -45,8 +45,10 @@
 set -e
 
 case "$1" in
-   ( remove )
+   ( remove | upgrade )
        # Workaround for CPACK directory symlink handling error.
+       # Needed for remove and upgrade scenarios since
+       # upgrade installs to new folder and old folders need to be cleaned
        rm -rf @CPACK_PACKAGING_INSTALL_PREFIX@/hsa
    ;;
    ( * )

runtime/hsa-runtime/RPM/Dev/postun.in

@@ -40,7 +40,9 @@
 ##
 ################################################################################
 
-if [ $1 -eq 0 ]; then
+if [ $1 -le 1 ]; then
   # Workaround for CPACK directory symlink handling error.
+  # Needed for uninstall and upgrade scenarios since
+  # upgrade install to new folder and old folders need to be cleaned
   rm -rf @CPACK_PACKAGING_INSTALL_PREFIX@/hsa
 fi