fsi: sbefifo: Fix sparse warnings

fsi-sbefifo.c:547:58: warning: incorrect type in argument 2 (different base types)
fsi-sbefifo.c:547:58:    expected restricted __be32 [usertype] *word
fsi-sbefifo.c:547:58:    got unsigned int *<noident>
fsi-sbefifo.c:635:16: warning: incorrect type in assignment (different base types)
fsi-sbefifo.c:635:16:    expected unsigned int [unsigned] <noident>
fsi-sbefifo.c:635:16:    got restricted __be32 [usertype] <noident>
fsi-sbefifo.c:636:16: warning: incorrect type in assignment (different base types)
fsi-sbefifo.c:636:16:    expected unsigned int [unsigned] <noident>
fsi-sbefifo.c:636:16:    got restricted __be32 [usertype] <noident>

Signed-off-by: Joel Stanley <joel@jms.id.au>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

drivers/fsi/fsi-sbefifo.c

@@ -519,9 +519,10 @@ static int sbefifo_send_command(struct sbefifo *sbefifo,
 static int sbefifo_read_response(struct sbefifo *sbefifo, struct iov_iter *response)
 {
 	struct device *dev = &sbefifo->fsi_dev->dev;
-	u32 data, status, eot_set;
+	u32 status, eot_set;
 	unsigned long timeout;
 	bool overflow = false;
+	__be32 data;
 	size_t len;
 	int rc;
 
@@ -619,7 +620,7 @@ static void sbefifo_collect_async_ffdc(struct sbefifo *sbefifo)
         struct kvec ffdc_iov;
 	__be32 *ffdc;
 	size_t ffdc_sz;
-	u32 cmd[2];
+	__be32 cmd[2];
 	int rc;
 
 	sbefifo->async_ffdc = false;