src/include: Remove space after function name

Fix the following warning detected by checkpatch.pl:

WARNING: space prohibited between function name and open parenthesis '('

TEST=Build and run on Galileo Gen2

Change-Id: I0ac30b32bab895ca72f91720eeae5a5067327247
Signed-off-by: Lee Leahy <Leroy.P.Leahy@intel.com>
Reviewed-on: https://review.coreboot.org/18656
Tested-by: build bot (Jenkins)
Reviewed-by: Martin Roth <martinroth@google.com>

src/include/rmodule.h

@@ -72,7 +72,7 @@ struct rmodule {
 #if IS_ENABLED(CONFIG_RELOCATABLE_MODULES)
 /* Rmodules have an entry point of named _start. */
 #define RMODULE_ENTRY(entry_) \
-	void _start(void *) __attribute__((alias (STRINGIFY(entry_))))
+	void _start(void *) __attribute__((alias(STRINGIFY(entry_))))
 #else
 #define RMODULE_ENTRY(entry_)
 #endif