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/bf561-ezkit.h b/include/configs/bf561-ezkit.h
index 1a9d27e..6ee1e4c 100644
--- a/include/configs/bf561-ezkit.h
+++ b/include/configs/bf561-ezkit.h
@@ -98,6 +98,11 @@
  */
 #define CONFIG_UART_CONSOLE	0
 
+/*
+ * 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