src/arch: Add required space before opening parenthesis '('

Change-Id: I8a44a58506d7cf5ebc9fe7ac4f2b46f9544ba61a
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/16287
Tested-by: build bot (Jenkins)
Reviewed-by: Omar Pakker
Reviewed-by: Martin Roth <martinroth@google.com>

src/arch/x86/acpigen.c

@@ -298,7 +298,7 @@ void acpigen_emit_namestring(const char *namepath) {
 
 	/* If we have only \\ or only ^...^. Then we need to put a null
 	   name (0x00). */
-	if(namepath[0] == '\0') {
+	if (namepath[0] == '\0') {
 		acpigen_emit_byte(0x00);
 		return;
 	}