oeqa/selftest/toaster.py: renamed to _toaster.py

In order not to run the toaster selftests by default, we renamed to _toaster.py

Signed-off-by: Ionut Chisanovici <ionutx.chisanovici@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

diff --git a/meta/lib/oeqa/selftest/toaster.py b/meta/lib/oeqa/selftest/_toaster.py
similarity index 100%
rename from meta/lib/oeqa/selftest/toaster.py
rename to meta/lib/oeqa/selftest/_toaster.py