Commit c5d441b7f2 (boot/optee-os: bump to version 3.16.0) forgot to
propagate the rustc arch dependency from the new version, to the default
clause of the choice.
This leaves only the custom git tree as a posible source for building
OP-TEE OS in case the host can't have a rustc compiler.
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>
Reported-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
Cc: Clément Léger <clement.leger@bootlin.com>
Cc: Etienne Carriere <etienne.carriere@linaro.org>
Acked-by: Etienne Carriere <etienne.carriere@linaro.org>
Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>