Squashed commit upgrading to mbedtls-2.16.5

Squash merging branch import/mbedtls-2.16.5

058aefb2bfa4 ("core: mbedtls: use SHA-256 crypto accelerated routines")
bcef9baed8f1 ("core: mbedtls: use SHA-1 crypto accelerated routines")
c9359f31db12 ("core: mbedtls: use AES crypto accelerated routines")
0e6c1e2642c7 ("core: merge tee_*_get_digest_size() into a single function")
0cb3c28a2f4d ("libmbedtls: mbedtls_mpi_exp_mod(): optimize mempool usage")
5abf0e6ab72e ("libmbedtls: mbedtls_mpi_exp_mod(): reduce stack usage")
2ccc08ac7fef ("libmbedtls: preserve mempool usage on reinit")
cd2a24648569 ("libmbedtls: mbedtls_mpi_exp_mod() initialize W")
7727182ecb56 ("libmbedtls: fix no CRT issue")
120737075dcf ("libmbedtls: add interfaces in mbedtls for context memory operation")
1126250b3af8 ("libmbedtls: add missing source file chachapoly.c")
23972e9f1c98 ("libmedtls: mpi_miller_rabin: increase count limit")
1fcbc05b3cd2 ("libmbedtls: add mbedtls_mpi_init_mempool()")
66e03f068078 ("libmbedtls: make mbedtls_mpi_mont*() available")
d07e0ce56236 ("libmbedtls: refine mbedtls license header")
491ee2cd0ff4 ("mbedtls: configure mbedtls to reach for config")
9b6cee685d9a ("mbedtls: remove default include/mbedtls/config.h")
84f7467a0a91 ("Import mbedtls-2.16.5")

Signed-off-by: Jerome Forissier <jerome@forissier.org>
Acked-by: Jens Wiklander <jens.wiklander@linaro.org>
diff --git a/lib/libmbedtls/mbedtls/library/chacha20.c b/lib/libmbedtls/mbedtls/library/chacha20.c
index 30af3d8..2c9042a 100644
--- a/lib/libmbedtls/mbedtls/library/chacha20.c
+++ b/lib/libmbedtls/mbedtls/library/chacha20.c
@@ -60,14 +60,14 @@
     MBEDTLS_INTERNAL_VALIDATE( cond )
 
 #define BYTES_TO_U32_LE( data, offset )                           \
-    ( (uint32_t) data[offset]                                     \
-          | (uint32_t) ( (uint32_t) data[( offset ) + 1] << 8 )   \
-          | (uint32_t) ( (uint32_t) data[( offset ) + 2] << 16 )  \
-          | (uint32_t) ( (uint32_t) data[( offset ) + 3] << 24 )  \
+    ( (uint32_t) (data)[offset]                                   \
+      | (uint32_t) ( (uint32_t) (data)[( offset ) + 1] << 8 )     \
+      | (uint32_t) ( (uint32_t) (data)[( offset ) + 2] << 16 )    \
+      | (uint32_t) ( (uint32_t) (data)[( offset ) + 3] << 24 )    \
     )
 
 #define ROTL32( value, amount ) \
-        ( (uint32_t) ( value << amount ) | ( value >> ( 32 - amount ) ) )
+    ( (uint32_t) ( (value) << (amount) ) | ( (value) >> ( 32 - (amount) ) ) )
 
 #define CHACHA20_CTR_INDEX ( 12U )