crypto: ux500/crypt: add missing __iomem qualifiers

Add missing __iomem to struct cryp_register pointers, this solve some
"incorrect type in initializer (different address spaces)" sparse
warnings.

Signed-off-by: Fabio Baltieri <fabio.baltieri@linaro.org>
Acked-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

drivers/crypto/ux500/cryp/cryp.c

@@ -291,7 +291,7 @@ void cryp_save_device_context(struct cryp_device_data *device_data,
 			      int cryp_mode)
 {
 	enum cryp_algo_mode algomode;
-	struct cryp_register *src_reg = device_data->base;
+	struct cryp_register __iomem *src_reg = device_data->base;
 	struct cryp_config *config =
 		(struct cryp_config *)device_data->current_ctx;
 
@@ -349,7 +349,7 @@ void cryp_save_device_context(struct cryp_device_data *device_data,
 void cryp_restore_device_context(struct cryp_device_data *device_data,
 				 struct cryp_device_context *ctx)
 {
-	struct cryp_register *reg = device_data->base;
+	struct cryp_register __iomem *reg = device_data->base;
 	struct cryp_config *config =
 		(struct cryp_config *)device_data->current_ctx;