[MIPS] Atlas, Malta, SEAD: Remove scroll from interrupt handler.

Aside of being handy for debugging this has never been a particularly
good idea but is now getting in the way of dyntick / tickless kernels
and general cleanups.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
diff --git a/include/asm-mips/mips-boards/prom.h b/include/asm-mips/mips-boards/prom.h
index daaf9f9..a9db576 100644
--- a/include/asm-mips/mips-boards/prom.h
+++ b/include/asm-mips/mips-boards/prom.h
@@ -33,6 +33,7 @@
 extern void prom_fixup_mem_map(unsigned long start_mem, unsigned long end_mem);
 extern void mips_display_message(const char *str);
 extern void mips_display_word(unsigned int num);
+extern void mips_scroll_message(void);
 extern int get_ethernet_addr(char *ethernet_addr);
 
 /* Memory descriptor management. */