imx: nandbcb: Fix printf format in write_fcb

Correct printf format for unsigned long long is %llx and not %llxx.

Signed-off-by: Pali Rohár <pali@kernel.org>
Reviewed-by: Fabio Estevam <festevam@gmail.com>
diff --git a/arch/arm/mach-imx/cmd_nandbcb.c b/arch/arm/mach-imx/cmd_nandbcb.c
index 09622c1..646da01 100644
--- a/arch/arm/mach-imx/cmd_nandbcb.c
+++ b/arch/arm/mach-imx/cmd_nandbcb.c
@@ -650,7 +650,7 @@
 			};
 
 			ret = mtd_write_oob(mtd, off, &ops);
-			printf("NAND FCB write to 0x%llxx offset 0x%zx written: %s\n", off, ops.len, ret ? "ERROR" : "OK");
+			printf("NAND FCB write to 0x%llx offset 0x%zx written: %s\n", off, ops.len, ret ? "ERROR" : "OK");
 		}
 
 		if (ret)