microblaze: Fix sparse warning - prom.c

Warning log:
CHECK   arch/microblaze/kernel/dma.c
arch/microblaze/kernel/dma.c:53:26: warning: incorrect type in argument 1 (different base types)
arch/microblaze/kernel/dma.c:53:26:    expected int [signed] gfp
arch/microblaze/kernel/dma.c:53:26:    got restricted unsigned int [usertype] flag

Signed-off-by: Michal Simek <monstr@monstr.eu>

1 files changed, 1 insertions, 1 deletions

diff --git a/arch/microblaze/kernel/prom.c b/arch/microblaze/kernel/prom.c
index bceaa5543e39..00ee90f08343 100644
--- a/arch/microblaze/kernel/prom.c
+++ b/arch/microblaze/kernel/prom.c
@@ -59,7 +59,7 @@ static int __init early_init_dt_scan_serial(unsigned long node,
 {
         unsigned long l;
         char *p;
-        int *addr;
+        const __be32 *addr;
 
         pr_debug("search \"serial\", depth: %d, uname: %s\n", depth, uname);