Blackfin: move CONFIG_BFIN_CPU back to board config.h

This is a revert of 821ad16fa9900c as Wolfgang doesn't like the new code.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
diff --git a/include/configs/bf561-acvilon.h b/include/configs/bf561-acvilon.h
index 2b12c3f..1490b2f 100644
--- a/include/configs/bf561-acvilon.h
+++ b/include/configs/bf561-acvilon.h
@@ -12,7 +12,8 @@
 /*
  * Processor Settings
  */
-#define CONFIG_BFIN_BOOT_MODE		BFIN_BOOT_BYPASS
+#define CONFIG_BFIN_CPU             bf561-0.5
+#define CONFIG_BFIN_BOOT_MODE       BFIN_BOOT_BYPASS
 
 
 /*