x86/asm/entry: Move the compat syscall entry code to arch/x86/entry/

Move the ia32entry.S file over into arch/x86/entry/.

Cc: Borislav Petkov <[e-mail]>
Cc: H. Peter Anvin <[e-mail]>
Cc: Linus Torvalds <[e-mail]>
Cc: Thomas Gleixner <[e-mail]>
Cc: Andy Lutomirski <[e-mail]>
Cc: Denys Vlasenko <[e-mail]>
Cc: Brian Gerst <[e-mail]>
Cc: Peter Zijlstra <[e-mail]>
Cc: [e-mail]
Signed-off-by: Ingo Molnar <[e-mail]>

arch/x86/entry/Makefile

···
 #
 # Makefile for the x86 low level entry code
 #
-obj-y			:= entry_$(BITS).o
+obj-y				:= entry_$(BITS).o
+
+obj-$(CONFIG_IA32_EMULATION)	+= ia32entry.o
+

arch/x86/ia32/Makefile

···
 # Makefile for the ia32 kernel emulation subsystem.
 #
 
-obj-$(CONFIG_IA32_EMULATION) := ia32entry.o sys_ia32.o ia32_signal.o
+obj-$(CONFIG_IA32_EMULATION) := sys_ia32.o ia32_signal.o
 
 obj-$(CONFIG_IA32_AOUT) += ia32_aout.o