uniphier: fix code indent for conditional statement

checkpatch.pl from Linux reports tons of coding style errors and
warnings.  I am just fixing under plat/socionext/uniphier/.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
diff --git a/plat/socionext/uniphier/uniphier_nand.c b/plat/socionext/uniphier/uniphier_nand.c
index 88f906c..a118b85 100644
--- a/plat/socionext/uniphier/uniphier_nand.c
+++ b/plat/socionext/uniphier/uniphier_nand.c
@@ -108,7 +108,7 @@
 
 	/* if possible, save the result for future re-use */
 	if (block < ARRAY_SIZE(nand->bbt))
-	    nand->bbt[block] = is_bad;
+		nand->bbt[block] = is_bad;
 
 	if (is_bad)
 		WARN("found bad block at %d. skip.\n", block);