Blackfin arch: reorganize headers slightly so we can be sure things are defined early enough

Signed-off-by: Mike Frysinger <michael.frysinger@analog.com>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>

diff --git a/include/asm-blackfin/mach-bf548/cdefBF54x_base.h b/include/asm-blackfin/mach-bf548/cdefBF54x_base.h
index 10475bb..aefab3f 100644
--- a/include/asm-blackfin/mach-bf548/cdefBF54x_base.h
+++ b/include/asm-blackfin/mach-bf548/cdefBF54x_base.h
@@ -31,6 +31,8 @@
 #ifndef _CDEF_BF54X_H
 #define _CDEF_BF54X_H
 
+#include <asm/blackfin.h>
+
 #include "defBF54x_base.h"
 #include <asm/system.h>