Blackfin: stub fpregs dumping

The Blackfin processor has no FPU, so there are no FPU regs to dump.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
diff --git a/arch/blackfin/include/asm/elf.h b/arch/blackfin/include/asm/elf.h
index 117713a..e6c6812 100644
--- a/arch/blackfin/include/asm/elf.h
+++ b/arch/blackfin/include/asm/elf.h
@@ -119,6 +119,7 @@
 #define ELF_CORE_COPY_REGS(pr_reg, regs)	\
         memcpy((char *) &pr_reg, (char *)regs,  \
                sizeof(struct pt_regs));
+#define ELF_CORE_COPY_FPREGS(...) 0	/* Blackfin has no FPU */
 
 /* This yields a mask that user programs can use to figure out what
    instruction set this cpu supports.  */