src/include: Fix space between type, * and variable name

Fix the following errors detected by checkpatch.pl:

ERROR: "foo * bar" should be "foo *bar"
ERROR: "foo* bar" should be "foo *bar"
ERROR: "foo*bar" should be "foo *bar"

TEST=Build and run on Galileo Gen2

Change-Id: I5a3ff8b92e3ceecb4ddf45d8840454d5310fc6b3
Signed-off-by: Lee Leahy <Leroy.P.Leahy@intel.com>
Reviewed-on: https://review.coreboot.org/18655
Reviewed-by: Martin Roth <martinroth@google.com>
Tested-by: build bot (Jenkins)

src/include/cpu/intel/romstage.h

@@ -24,7 +24,7 @@ void *setup_stack_and_mtrrs(void);
 
 /* romstage_main is called from the cache-as-ram assembly file to prepare
  * CAR stack guards.*/
-void * asmlinkage romstage_main(unsigned long bist);
+asmlinkage void *romstage_main(unsigned long bist);
 /* romstage_after_car() is the C function called after cache-as-ram has
  * been torn down. It is responsible for loading the ramstage. */
 void asmlinkage romstage_after_car(void);