[libvirt] Several pending patches for PPC64

Hi Daniel, I have several patches pending in mailing list. Would you mind giving more suggestions? Thanks a lot. :) [PATCH v4 1/2] Add USB option capability https://www.redhat.com/archives/libvir-list/2013-April/msg00587.html [PATCH v4 2/2]testcase: Add a new USB option test case https://www.redhat.com/archives/libvir-list/2013-April/msg00586.html [PATCH v3 1/3] Add NVRAM device https://www.redhat.com/archives/libvir-list/2013-March/msg01508.html [PATCH v3 2/3]doc: add NVRAM device https://www.redhat.com/archives/libvir-list/2013-March/msg01509.html [PATCH v3 3/3] Add NVRAM test cases https://www.redhat.com/archives/libvir-list/2013-March/msg01510.html [PATCH 1/1][RESEND] Set legacy USB option with default for ppc64. https://www.redhat.com/archives/libvir-list/2013-April/msg00588.html [PATCH 1/1][RESEND] ppc64 cpu features https://www.redhat.com/archives/libvir-list/2013-March/msg00726.html