x86: Remove old broken timer implementation

Tidy up some old broken and unneeded implementations. These are not used
by coreboot or anything else now.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Gabe Black <gabeblack@chromium.org>
Reviewed-by: Michael Spang <spang@chromium.org>
Reviewed-by: Vadim Bendebury <vbendeb@chromium.org>
Acked-by: Graeme Russ <graeme.russ@gmail.com>
diff --git a/arch/x86/cpu/Makefile b/arch/x86/cpu/Makefile
index 7b520f8..cddf0dd 100644
--- a/arch/x86/cpu/Makefile
+++ b/arch/x86/cpu/Makefile
@@ -30,7 +30,7 @@
 
 START-y	= start.o
 START-$(CONFIG_X86_RESET_VECTOR) += resetvec.o start16.o
-COBJS	= interrupts.o cpu.o timer.o
+COBJS	= interrupts.o cpu.o
 
 SRCS	:= $(START:.o=.S) $(SOBJS:.o=.S) $(COBJS:.o=.c)
 OBJS	:= $(addprefix $(obj),$(SOBJS) $(COBJS))