-mm: sysrq patch breaks Voyager build

[Adrian Bunk <bunk@stusta.de>]

nmi-lockup-and-altsysrq-p-dumping-calltraces-on-_all_-cpus.patch causes 
the following compile error with CONFIG_X86_VOYAGER=y:

<--  snip  -->

...
  LD      .tmp_vmlinux1
arch/i386/kernel/built-in.o: In function `die_nmi': undefined reference to `smp_show_regs'
arch/i386/kernel/built-in.o: In function `die_nmi': undefined reference to `smp_nmi_call_function'
drivers/built-in.o: In function `sysrq_handle_showregs':sysrq.c:(.text+0x255ef): undefined reference to `smp_show_regs'
:sysrq.c:(.text+0x255f4): undefined reference to `smp_nmi_call_function'
make: *** [.tmp_vmlinux1] Error 1

<--  snip  -->

cu
Adrian

-- 

       "Is there not promise of rain?" Ling Tan asked suddenly out
        of the darkness. There had been need of rain for many days.
       "Only a promise," Lao Er said.
                                       Pearl S. Buck - Dragon Seed