commonlib: Wrap lines at 80 columns

Fix the following warning detected by checkpatch.pl:

TEST=Build and run on Galileo Gen2

Change-Id: I811763c6de57dfdf5456579f63e83dca29d37d61
Signed-off-by: Lee Leahy <Leroy.P.Leahy@intel.com>
Reviewed-on: https://review.coreboot.org/18751
Tested-by: build bot (Jenkins)
Reviewed-by: Martin Roth <martinroth@google.com>

src/commonlib/lz4_wrapper.c

@@ -170,7 +170,8 @@ size_t ulz4fn(const void *src, size_t srcn, void *dst, size_t dstn)
 		}
 
 		if (b.not_compressed) {
-			size_t size = MIN((uintptr_t)b.size, (uintptr_t)dst + dstn - (uintptr_t)out);
+			size_t size = MIN((uintptr_t)b.size, (uintptr_t)dst
+				+ dstn - (uintptr_t)out);
 			memcpy(out, in, size);
 			if (size < b.size)
 				break;		/* output overrun */