devtool: sdk-update: fix handling of UNINATIVE_CHECKSUM changes
If UNINATIVE_CHECKSUM changes over an SDK update, bitbake within the
extensible SDK will be broken because it will see that the matching
uninative tarball doesn't exist and if there is a default value of
UNINATIVE_URL it will attempt to download the file and will then fail
because the checksums don't match up; alternatively if no UNINATIVE_URL
is set then it'll also fail with an error about misconfiguration. To fix
this, add some logic to devtool sdk-update to download the matching
uninative tarball(s) for the checksum(s) in the newly fetched SDK
configuration.
Fixes [YOCTO #9301].
Signed-off-by: Paul Eggleton <paul.eggleton@linux.intel.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>