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/arch/blackfin/include/asm/mach-bf609/BF609_def.h b/arch/blackfin/include/asm/mach-bf609/BF609_def.h
index 8c1dcd0..4d3b003 100644
--- a/arch/blackfin/include/asm/mach-bf609/BF609_def.h
+++ b/arch/blackfin/include/asm/mach-bf609/BF609_def.h
@@ -244,4 +244,6 @@
 #define L1_INST_SRAM_SIZE 0x8000
 #define L1_INST_SRAM_END (L1_INST_SRAM + L1_INST_SRAM_SIZE)
 
+#define COREB_L1_CODE_START       0xFF600000
+
 #endif /* __BFIN_DEF_ADSP_BF609_proc__ */