Blackfin: push down asm/ includes and out of bfin-global.h

Avoid including unnecessary headers all the time as well as circular
includes with core requirements.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
diff --git a/arch/blackfin/include/asm/uaccess.h b/arch/blackfin/include/asm/uaccess.h
index c03b853..1c0d190 100644
--- a/arch/blackfin/include/asm/uaccess.h
+++ b/arch/blackfin/include/asm/uaccess.h
@@ -17,9 +17,7 @@
 #include <linux/string.h>
 
 #include <asm/segment.h>
-#ifdef CONFIG_ACCESS_CHECK
-# include <asm/bfin-global.h>
-#endif
+#include <asm/sections.h>
 
 #define get_ds()        (KERNEL_DS)
 #define get_fs()        (current_thread_info()->addr_limit)