sanity: check the format of SDK_VENDOR
If SDK_VENDOR isn't formatted as -foosdk and is instead for example -foo-sdk
then the triple that are constructed are not in fact triples, which results in
mysterious compile errors.
Check in sanity.bbclass so this failure is detected early.
[ YOCTO #13573 ]
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
(cherry picked from commit
b0efd8d4d0dbc30e6505b42f5603f18fa764d732)
Signed-off-by: Armin Kuster <akuster808@gmail.com>
