Pulls in updates in the internal headers from OP-TEE OS [1]. A few
defines has been shortened, hence the changes in rpc.c. Defines not used
by the driver in tee_rpc_cmd.h has been filtered out.

Note that this does not change the ABI.

Link: [1] https://github.com/OP-TEE/optee_osReviewed-by: Sumit Garg <sumit.garg@linaro.org>
Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org>