Use autoconf.h instead of config.h

See commit b0ac3f50b8f2cd992ffd36d22c82eabdf075e9c4 from Linus tree.

Signed-off-by: Herton Ronaldo Krzesinski <herton@mandriva.com>

--- fcusb2-3.11.07.orig/driver.h	2008-01-10 23:18:04.000000000 -0200
+++ fcusb2-3.11.07/driver.h	2008-01-10 23:20:28.000000000 -0200
@@ -25,7 +25,7 @@
 
 #include <asm/semaphore.h>
 #include <asm/atomic.h>
-#include <linux/config.h>
+#include <linux/autoconf.h>
 #include <linux/skbuff.h>
 #include <linux/capi.h>
 #include <linux/isdn/capilli.h>