crypto: stm32 - Save 54 CSR registers

The CSR registers go from 0 to 53.  So the number of registers
should be 54.
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Tested-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

drivers/crypto/stm32/stm32-hash.c

@@ -68,7 +68,7 @@
 #define HASH_MASK_DATA_INPUT		BIT(1)
 
 /* Context swap register */
-#define HASH_CSR_REGISTER_NUMBER	53
+#define HASH_CSR_REGISTER_NUMBER	54
 
 /* Status Flags */
 #define HASH_SR_DATA_INPUT_READY	BIT(0)