crypto: inside-secure - Move priv pointer into safexcel_context

This patch moves the priv pointer into struct safexcel_context
because both structs that extend safexcel_context have that pointer
as well.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
diff --git a/drivers/crypto/inside-secure/safexcel.h b/drivers/crypto/inside-secure/safexcel.h
index 7054306..1c3e658 100644
--- a/drivers/crypto/inside-secure/safexcel.h
+++ b/drivers/crypto/inside-secure/safexcel.h
@@ -832,6 +832,7 @@ struct safexcel_context {
 			     struct crypto_async_request *req, bool *complete,
 			     int *ret);
 	struct safexcel_context_record *ctxr;
+	struct safexcel_crypto_priv *priv;
 	dma_addr_t ctxr_dma;
 
 	int ring;