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>

src/northbridge/amd/amdfam10/chip.h

@@ -19,7 +19,7 @@
 #include <stdint.h>
 
 struct northbridge_amd_amdfam10_config {
-        uint64_t maximum_memory_capacity;
+	uint64_t maximum_memory_capacity;
 };
 
 #endif /* _AMD_FAM10_CHIP_H_ */