optee: support asynchronous supplicant requests
Adds support for asynchronous supplicant requests, meaning that the
supplicant can process several requests in parallel or block in a
request for some time.
Acked-by: Etienne Carriere <etienne.carriere@linaro.org>
Tested-by: Etienne Carriere <etienne.carriere@linaro.org> (b2260 pager=y/n)
Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org>
From: https://github.com/linaro-swg/linux.git
(cherry picked from commit
c0b5b087a78777155603b0eb68dd9f9ab971330c)