crypto: caam - drop unexpected word 'a' in comments

Drop the unexpected word 'a' in the comments that need to be dropped

* This is a a cache of buffers, from which the users of CAAM QI driver
-->
* This is a cache of buffers, from which the users of CAAM QI driver

Signed-off-by: Jiang Jian <jiangjian@cdjrlc.com>
Reviewed-by: Gaurav Jain <gaurav.jain@nxp.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
diff --git a/drivers/crypto/caam/caamalg_qi2.c b/drivers/crypto/caam/caamalg_qi2.c
index 6753f0e..4b81fb3 100644
--- a/drivers/crypto/caam/caamalg_qi2.c
+++ b/drivers/crypto/caam/caamalg_qi2.c
@@ -29,7 +29,7 @@
 				 SHA512_DIGEST_SIZE * 2)
 
 /*
- * This is a a cache of buffers, from which the users of CAAM QI driver
+ * This is a cache of buffers, from which the users of CAAM QI driver
  * can allocate short buffers. It's speedier than doing kmalloc on the hotpath.
  * NOTE: A more elegant solution would be to have some headroom in the frames
  *       being processed. This can be added by the dpaa2-eth driver. This would
diff --git a/drivers/crypto/caam/qi.c b/drivers/crypto/caam/qi.c
index 8163f5d..49439d0 100644
--- a/drivers/crypto/caam/qi.c
+++ b/drivers/crypto/caam/qi.c
@@ -75,7 +75,7 @@ bool caam_congested __read_mostly;
 EXPORT_SYMBOL(caam_congested);
 
 /*
- * This is a a cache of buffers, from which the users of CAAM QI driver
+ * This is a cache of buffers, from which the users of CAAM QI driver
  * can allocate short (CAAM_QI_MEMCACHE_SIZE) buffers. It's faster than
  * doing malloc on the hotpath.
  * NOTE: A more elegant solution would be to have some headroom in the frames