sh: Tidy up the ldscript output format specifier.

Tie this in to the Makefile directly, where we already know what we are
running on. This tidies up the linker script a bit, and is prep work for
unifying the arch/sh/boot/compressed linker scripts.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
diff --git a/arch/sh/Makefile b/arch/sh/Makefile
index 68348e7..b941dc9 100644
--- a/arch/sh/Makefile
+++ b/arch/sh/Makefile
@@ -100,13 +100,17 @@
 endif
 
 ifdef CONFIG_CPU_LITTLE_ENDIAN
-LDFLAGS_vmlinux		+= --defsym 'jiffies=jiffies_64'
+ld-bfd			:= elf32-$(UTS_MACHINE)-linux
+LDFLAGS_vmlinux		+= --defsym 'jiffies=jiffies_64' --oformat $(ld-bfd)
 LDFLAGS			+= -EL
 else
-LDFLAGS_vmlinux		+= --defsym 'jiffies=jiffies_64+4'
+ld-bfd			:= elf32-$(UTS_MACHINE)big-linux
+LDFLAGS_vmlinux		+= --defsym 'jiffies=jiffies_64+4' --oformat $(ld-bfd)
 LDFLAGS			+= -EB
 endif
 
+export ld-bfd
+
 head-y			:= arch/sh/kernel/init_task.o
 head-$(CONFIG_SUPERH32)	+= arch/sh/kernel/head_32.o
 head-$(CONFIG_SUPERH64)	+= arch/sh/kernel/head_64.o