Blackfin arch: split apart dump_bfin_regs and merge/remove show_regs from process.c, which was largely duplicated

Signed-off-by: Mike Frysinger <michael.frysinger@analog.com>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>

diff --git a/include/asm-blackfin/bfin-global.h b/include/asm-blackfin/bfin-global.h
index 6ef501b..39bdd86 100644
--- a/include/asm-blackfin/bfin-global.h
+++ b/include/asm-blackfin/bfin-global.h
@@ -50,7 +50,8 @@
 extern unsigned long sclk_to_usecs(unsigned long sclk);
 extern unsigned long usecs_to_sclk(unsigned long usecs);
 
-extern void dump_bfin_regs(struct pt_regs *fp, void *retaddr);
+extern void dump_bfin_process(struct pt_regs *regs);
+extern void dump_bfin_mem(void *retaddr);
 extern void dump_bfin_trace_buffer(void);
 
 extern int init_arch_irq(void);