Modify atftp and ipmitool spec files to explicitly conflict with the packages that are appropriate for them to conflict with.

This will lead to a bit earlier and clearer error message, but yum still won't offer to deinstall like apt would

atftp/atftp.spec

@@ -2,7 +2,7 @@ Name: atftp
 Summary: Advanced Trivial File Transfer Protocol (ATFTP) - TFTP server
 Group: System Environment/Daemons
 Version: 0.7
-Release: 1
+Release: 2
 License: GPL
 Vendor: Linux Networx Inc.
 Source: atftp_0.7.dfsg.orig.tar.gz
@@ -10,7 +10,8 @@ Source1: tftpd
 Patch: atftp_0.7.dfsg-3.diff
 Buildroot: /var/tmp/atftp-buildroot
 Packager: Allen Reese <areese@lnxi.com>
-Provides: tftp-server
+#Provides: tftp-server
+Conflicts: tftp-server
 
 
 %description

ipmitool/ipmitool.spec

@@ -1,8 +1,9 @@
 Name:         ipmitool
 Summary:      ipmitool - Utility for IPMI control
 Version:      1.8.9
-Provides:     OpenIPMI-tools = 2.0.6-5.el5.4
-Release:      2%{?_distro:.%{_distro}}
+#Provides:     OpenIPMI-tools = 2.0.6-5.el5.4
+Conflicts:    OpenIPMI-tools
+Release:      3
 License:      BSD
 Group:        Utilities
 Packager:     Duncan Laurie <duncan@iceblink.org>