[libvirt] [PATCH 0/2] Implement sysinfo for PowerPC, improve its behaviour on x86.

This series of patches implements the following: Patch 1/2 : Implement sysinfo for PowerPC. OnPowerPC, sysinfo is obtained by reading /proc/cpuinfo since dmidecode is not available. Patch 2/2 : Based on Eric's suggestion (http://www.redhat.com/archives/libvir-list/2012-February/msg00509.html), Allow x86 to read host system's processor information from /proc/cpuinfo in the event dmidecode is not available. Changelog: * Patch 1: Rebased and cleanups done. * Patch 2: New. -- Prerna Saxena Linux Technology Centre, IBM Systems and Technology Lab, Bangalore, India