Blackfin arch: punt CONFIG_BFIN -- we already have CONFIG_BLACKFIN

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

diff --git a/include/asm-blackfin/page_offset.h b/include/asm-blackfin/page_offset.h
index 3b671d5..cbaff24 100644
--- a/include/asm-blackfin/page_offset.h
+++ b/include/asm-blackfin/page_offset.h
@@ -1,6 +1,6 @@
 
 /* This handles the memory map.. */
 
-#ifdef CONFIG_BFIN
+#ifdef CONFIG_BLACKFIN
 #define PAGE_OFFSET_RAW		0x00000000
 #endif