The correct field name is "supplier" according to SPDX schema.
The "supplier" field translates to "PackageSupplier", but that's for
tag-value format.
(From OE-Core rev: ca8db0e0a2860ac1e3f537471fa71b43c3be0a58)
Signed-off-by: Mihai Lindner <mihai.lindner@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>