blackfin: add bf60x to current framework

This patch added bf60x to current blackfin kernel framework.

Signed-off-by: Bob Liu <lliubbo@gmail.com>
diff --git a/arch/blackfin/Makefile b/arch/blackfin/Makefile
index 46f42b2..74fdf67 100644
--- a/arch/blackfin/Makefile
+++ b/arch/blackfin/Makefile
@@ -54,6 +54,7 @@
 machine-$(CONFIG_BF549)  := bf548
 machine-$(CONFIG_BF549M) := bf548
 machine-$(CONFIG_BF561)  := bf561
+machine-$(CONFIG_BF609)  := bf609
 MACHINE := $(machine-y)
 export MACHINE
 
@@ -86,6 +87,7 @@
 cpu-$(CONFIG_BF549)  := bf549
 cpu-$(CONFIG_BF549M) := bf549m
 cpu-$(CONFIG_BF561)  := bf561
+cpu-$(CONFIG_BF609)  := bf609
 
 rev-$(CONFIG_BF_REV_0_0)  := 0.0
 rev-$(CONFIG_BF_REV_0_1)  := 0.1