powerpc: merge ptrace.c

Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
diff --git a/arch/powerpc/kernel/Makefile b/arch/powerpc/kernel/Makefile
index bce2539..ae97295 100644
--- a/arch/powerpc/kernel/Makefile
+++ b/arch/powerpc/kernel/Makefile
@@ -10,7 +10,7 @@
 CFLAGS_btext.o		+= -fPIC
 endif
 
-obj-y				:= semaphore.o cputable.o
+obj-y				:= semaphore.o cputable.o ptrace.o
 obj-$(CONFIG_PPC64)		+= binfmt_elf32.o
 obj-$(CONFIG_ALTIVEC)		+= vecemu.o vector.o
 obj-$(CONFIG_POWER4)		+= idle_power4.o