And enable BR2_DOWNLOAD_FORCE_CHECK_HASHES.
Generated by utils/add-custom-hashes, with the (redundant)
linux-headers.hash replaced by a symlink.
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
[yann.morin.1998@free.fr: update .checkpackageignore]
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>