The same change has already been applied to kernel.bbclass in commit 55989cb5:
[ kernel.bbclass: Stop bundle_initramfs thwarting sstate cache and fix race ]
The dummy kernel should comply with it.
(From OE-Core rev: 0897fd6feb19b545af2ebc148a2f6f99341841a9)
Signed-off-by: Ming Liu <ming.liu@windriver.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>