Fix some other linaro compile errors

some parts need to be initilalized and struct needed a change

Change-Id: I6172a16e709c52eeaf2d7e32fe19ba0d3df73176
Fix uninitialized kbuf in sysctl.c for linaro optimizations

Change-Id: Idd983e621b67d4016ff113b18de8f8a59bc70c85