blackfin: run core1 from L1 code sram start address in uboot init code on core 0

Define core 1 L1 code sram start address.
Add function to enable core 1 for BF609 and BF561.
Add config macro to allow customer to run core 1 in uboot init code on core 0.

Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
diff --git a/include/configs/bf609-ezkit.h b/include/configs/bf609-ezkit.h
index 02149fa..8b90129 100644
--- a/include/configs/bf609-ezkit.h
+++ b/include/configs/bf609-ezkit.h
@@ -156,6 +156,11 @@
 #endif
 
 /*
+ * Run core 1 from L1 SRAM start address when init uboot on core 0
+ */
+/* #define CONFIG_CORE1_RUN	1 */
+
+/*
  * Pull in common ADI header for remaining command/environment setup
  */
 #include <configs/bfin_adi_common.h>