bitbake: toaster: update Simple UI references to avoid conflict

bitbake: toaster: update Simple UI references to avoid conflict

Since the Toaster GUI was cloned from the Simple UI, we need
to update the URL pattern names in Simple UI to
prevent conflict when determining the reverse URL path.

(Bitbake rev: 6ed1a28eb0e52a6de83a37664ff6f4418ce84ee4)

Signed-off-by: Alexandru DAMIAN <alexandru.damian@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>