blackfin: Move cpu/blackfin/* to arch/blackfin/cpu/*

Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
diff --git a/include/configs/bf538f-ezkit.h b/include/configs/bf538f-ezkit.h
index 696fe29..59e0565 100644
--- a/include/configs/bf538f-ezkit.h
+++ b/include/configs/bf538f-ezkit.h
@@ -119,9 +119,9 @@
  * it linked after the configuration sector.
  */
 # define LDS_BOARD_TEXT \
-	cpu/blackfin/traps.o		(.text .text.*); \
-	cpu/blackfin/interrupt.o	(.text .text.*); \
-	cpu/blackfin/serial.o		(.text .text.*); \
+	arch/blackfin/cpu/traps.o		(.text .text.*); \
+	arch/blackfin/cpu/interrupt.o	(.text .text.*); \
+	arch/blackfin/cpu/serial.o		(.text .text.*); \
 	common/dlmalloc.o		(.text .text.*); \
 	lib/crc32.o		(.text .text.*); \
 	. = DEFINED(env_offset) ? env_offset : .; \