aes: various spelling correction in comments.

Signed-off-by: Kees Jongenburger <x8-999-github@gmx.com>
Reviewed-by: Etienne Carriere <etienne.carriere@linaro.org>
diff --git a/aes/ta/include/aes_ta.h b/aes/ta/include/aes_ta.h
index ecdddb6..a711326 100644
--- a/aes/ta/include/aes_ta.h
+++ b/aes/ta/include/aes_ta.h
@@ -63,7 +63,7 @@
 
 /*
  * TA_AES_CMD_SET_IV - reset IV
- * param[0] (memref) initial vector, size shall equal key length
+ * param[0] (memref) initial vector, size shall equal block length
  * param[1] unused
  * param[2] unused
  * param[3] unused
@@ -71,7 +71,7 @@
 #define TA_AES_CMD_SET_IV		2
 
 /*
- * TA_AES_CMD_CIPHER - Ciphere inut buffer into output buffer
+ * TA_AES_CMD_CIPHER - Cipher input buffer into output buffer
  * param[0] (memref) input buffer
  * param[1] (memref) output buffer (shall be bigger than input buffer)
  * param[2] unused