[SPARC]: Fix __KERNEL_SYSCALLS__ defining in envctrl.c and bbc_envctrl.c

It needs to happen before any header includes because nowadays
some things implicitly include asm/unistd.h which ends up being
before the __KERNEL_SYSCALLS__ define gets done.
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/sbus/char/bbc_envctrl.c

@@ -4,13 +4,14 @@
  * Copyright (C) 2001 David S. Miller (davem@redhat.com)
  */
 
+#define __KERNEL_SYSCALLS__
+
 #include <linux/kernel.h>
 #include <linux/sched.h>
 #include <linux/slab.h>
 #include <linux/delay.h>
 #include <asm/oplib.h>
 #include <asm/ebus.h>
-#define __KERNEL_SYSCALLS__
 static int errno;
 #include <asm/unistd.h>
 

drivers/sbus/char/envctrl.c

@@ -19,6 +19,8 @@
  *              Daniele Bellucci <bellucda@tiscali.it>
  */
 
+#define __KERNEL_SYSCALLS__
+
 #include <linux/config.h>
 #include <linux/module.h>
 #include <linux/sched.h>
@@ -35,7 +37,6 @@
 #include <asm/uaccess.h>
 #include <asm/envctrl.h>
 
-#define __KERNEL_SYSCALLS__
 static int errno;
 #include <asm/unistd.h>