northbridge/intel: Add required space before opening parenthesis '('

Change-Id: I53208ce5db06d2c65f954e6d59222924ab87722e
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/16304
Tested-by: build bot (Jenkins)
Reviewed-by: Martin Roth <martinroth@google.com>
diff --git a/src/northbridge/intel/i945/rcven.c b/src/northbridge/intel/i945/rcven.c
index afe6199..f4d9315 100644
--- a/src/northbridge/intel/i945/rcven.c
+++ b/src/northbridge/intel/i945/rcven.c
@@ -273,7 +273,7 @@
 /**
  * Here we use a trick. The RCVEN channel 0 registers are all at an
  * offset of 0x80 to the channel 0 registers. We don't want to waste
- * a lot of if()s so let's just pass 0 or 0x80 for the channel offset.
+ * a lot of if ()s so let's just pass 0 or 0x80 for the channel offset.
  */
 
 static int receive_enable_autoconfig(int channel_offset,