tee: optee: store OP-TEE capabilities in private data

Those capabilities will be used in subsequent patches.

Signed-off-by: Volodymyr Babchuk <vlad.babchuk@gmail.com>
Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org>
diff --git a/drivers/tee/optee/optee_private.h b/drivers/tee/optee/optee_private.h
index 61a0052..de7962e 100644
--- a/drivers/tee/optee/optee_private.h
+++ b/drivers/tee/optee/optee_private.h
@@ -96,6 +96,8 @@ struct optee_supp {
  * @supp:		supplicant synchronization struct for RPC to supplicant
  * @pool:		shared memory pool
  * @memremaped_shm	virtual address of memory in shared memory pool
+ * @sec_caps:		secure world capabilities defined by
+ *			OPTEE_SMC_SEC_CAP_* in optee_smc.h
  */
 struct optee {
 	struct tee_device *supp_teedev;
@@ -106,6 +108,7 @@ struct optee {
 	struct optee_supp supp;
 	struct tee_shm_pool *pool;
 	void *memremaped_shm;
+	u32 sec_caps;
 };
 
 struct optee_session {