oeqa/selftest: Added 2 testcases and updated setup for other two in imagefeatures.
Automated 2 oe-selftest testcases:
- 1116: Check if clutter image can be built
- 1117: Check Wayland support in image
Updated setup for test_efi_gummiboot_images_can_be_build and
test_wic_command_can_create_efi_gummiboot_installation_images
to accomodate latest wic changes.
Signed-off-by: Daniel Istrate <daniel.alexandrux.istrate@intel.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
