Add ADI Blackfin support

- add support for Analog Devices Blackfin BF533 CPU
- add support for the ADI BF533 Stamp uClinux board
- add support for the ADI BF533 EZKit board
Patches by Richard Klingler, June 11th 2005:

examples/Makefile

@@ -53,6 +53,10 @@ ifeq ($(ARCH),microblaze)
 LOAD_ADDR = 0x80F00000
 endif
 
+ifeq ($(ARCH),blackfin)
+LOAD_ADDR = 0x1000
+endif
+
 include $(TOPDIR)/config.mk
 
 SREC	= hello_world.srec
@@ -73,6 +77,11 @@ SREC   += sched.srec
 BIN    += sched.bin sched
 endif
 
+ifeq ($(ARCH),blackfin)
+SREC	+= smc91111_eeprom.srec
+BIN 	+= smc91111_eeprom.bin smc91111_eeprom
+endif
+
 # The following example is pretty 8xx specific...
 ifeq ($(CPU),mpc8xx)
 SREC   += timer.srec