FIX dkms built issues for rhel kernel update ,change prerm script to …

…fix.

dkms

@@ -1723,7 +1723,9 @@ do_uninstall()
            fi
        fi
    done
    rm -f "$dkms_tree/$module/kernel-$1-$2"
    rm -rf "$dkms_tree/$module/kernel-$1-$2"
    #Remove modules from dkms built tree
    rm -rf "$dkms_tree/$module/$module_version/$1"
    else
        echo $""
        echo $"Status: This module version was INACTIVE for this kernel."

kernel_prerm.d_dkms

@@ -9,7 +9,7 @@ while read line; do
   vers=`echo "$line" | awk '{print $2}' | sed 's/,$//'`
   arch=`echo "$line" | awk '{print $4}' | sed 's/:$//'`
   echo "dkms: removing: $name $vers ($inst_kern) ($arch)" >&2
   dkms remove -m $name -v $vers -k $inst_kern -a $arch
   dkms uninstall -m $name -v $vers -k $inst_kern -a $arch
done < <(dkms status -k $inst_kern 2>/dev/null | grep ": installed")
fi