crypto: sun8i-ss - fix a trivial typo

This fixes a trivial typo.
Signed-off-by: Corentin Labbe <clabbe@baylibre.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

drivers/crypto/allwinner/sun8i-ss/sun8i-ss.h

@@ -100,7 +100,7 @@ struct ss_clock {
  * @alg_hash:	list of supported hashes. for each SS_ID_ this will give the
  *              corresponding SS_ALG_XXX value
  * @op_mode:	list of supported block modes
- * @ss_clks!	list of clock needed by this variant
+ * @ss_clks:	list of clock needed by this variant
  */
 struct ss_variant {
 	char alg_cipher[SS_ID_CIPHER_MAX];