src/northbridge: Improve code formatting

Change-Id: Iffa058d9eb1e96a4d1587dc3f8a1740907ffbb32
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/16414
Tested-by: build bot (Jenkins)
Reviewed-by: Martin Roth <martinroth@google.com>
diff --git a/src/northbridge/amd/agesa/family16kb/northbridge.c b/src/northbridge/amd/agesa/family16kb/northbridge.c
index c0769e7..28302ef 100644
--- a/src/northbridge/amd/agesa/family16kb/northbridge.c
+++ b/src/northbridge/amd/agesa/family16kb/northbridge.c
@@ -1086,9 +1086,9 @@
 			 *
 			 * This is needed because many IO-APIC devices only have 4 bits
 			 * for their APIC id and therefore must reside at 0..15
-                         */
+			 */
 
-                        u8 plat_num_io_apics = 3; /* FIXME */
+			u8 plat_num_io_apics = 3; /* FIXME */
 
 			if ((node_nums * core_max) + plat_num_io_apics >= 0x10) {
 				lapicid_start = (plat_num_io_apics - 1) / core_max;