Blackfin: encode cpu-rev into uImage name

Encoding the cpu family name apparently confuses people when they try to
boot an image on a sub-variant, so encode the specific cpu name and the
silicon rev instead.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>

arch/blackfin/Makefile

@@ -97,8 +97,11 @@ rev-$(CONFIG_BF_REV_0_6)  := 0.6
 rev-$(CONFIG_BF_REV_NONE) := none
 rev-$(CONFIG_BF_REV_ANY)  := any
 
-KBUILD_CFLAGS += -mcpu=$(cpu-y)-$(rev-y)
-KBUILD_AFLAGS += -mcpu=$(cpu-y)-$(rev-y)
+CPU_REV := $(cpu-y)-$(rev-y)
+export CPU_REV
+
+KBUILD_CFLAGS += -mcpu=$(CPU_REV)
+KBUILD_AFLAGS += -mcpu=$(CPU_REV)
 
 # - we utilize the silicon rev from the toolchain, so move it over to the checkflags
 CHECKFLAGS_SILICON = $(shell echo "" | $(CPP) $(KBUILD_CFLAGS) -dD - 2>/dev/null | awk '$$2 == "__SILICON_REVISION__" { print $$3 }')

arch/blackfin/boot/Makefile

@@ -17,7 +17,7 @@ UIMAGE_OPTS-$(CONFIG_ROMKERNEL) += -a $(CONFIG_ROM_BASE) -x
 
 quiet_cmd_uimage = UIMAGE  $@
       cmd_uimage = $(CONFIG_SHELL) $(MKIMAGE) -A $(ARCH) -O linux -T kernel \
-                   -C $(2) -n '$(MACHINE)-$(KERNELRELEASE)' \
+                   -C $(2) -n '$(CPU_REV)-$(KERNELRELEASE)' \
                    -e $(shell $(NM) vmlinux | awk '$$NF == "__start" {print $$1}') \
                    $(UIMAGE_OPTS-y) -d $< $@