Blackfin arch: move EXPORT_SYMBOL to the place where it is actually defined

 - kernel_thread
 - irq_flags
 - checksum

Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>

diff --git a/arch/blackfin/kernel/process.c b/arch/blackfin/kernel/process.c
index 0c3ea11..326e301 100644
--- a/arch/blackfin/kernel/process.c
+++ b/arch/blackfin/kernel/process.c
@@ -154,6 +154,7 @@
 	return do_fork(flags | CLONE_VM | CLONE_UNTRACED, 0, &regs, 0, NULL,
 		       NULL);
 }
+EXPORT_SYMBOL(kernel_thread);
 
 void flush_thread(void)
 {