sstatesig: Anchor inherits class tests

There was a nasty sstate hash corruption issue occurring where the
fact the testimage bbclass was inherited meant that the checksum
changed due to testimage.bbclass being confused with image.bbclass.

This patch anchors the bbclass names to avoid this confusion.

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
linux-yocto/3.10: fix qemuarm build failure

The v3.10.24 merge created a merge conflict, which was not properly
resolved. Fixing the merge conflict and fixing the build of qemu arm.

Signed-off-by: Bruce Ashfield <bruce.ashfield@windriver.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>