arc: move arc timer to drivers/

Change-Id: If4dccbf3bbe67c89b69aed1d62025bf867405d22
Signed-off-by: Anas Nashif <anas.nashif@intel.com>

arch/arc/Makefile

@@ -1,6 +1,4 @@
 obj-y = core/
 obj-y += bsp/
-obj-y += timer/
 obj-$(CONFIG_NSIM) += serial/
-obj-y += timer/
 

arch/arc/timer/Makefile

@@ -1,4 +0,0 @@
-ccflags-y +=-I$(srctree)/arch/arc/$(strip $(CONFIG_BSP_DIR))
-asflags-y +=-I$(srctree)/arch/arc/$(strip $(CONFIG_BSP_DIR))
-
-obj-y += arcv2_timer0.o

drivers/timer/Kconfig

@@ -62,4 +62,12 @@ config PIT
 	help
 	This option selects legacy i8253 timer as system timer.
 
+config ARCV2_TIMER
+	bool "ARC Timer"
+	default y
+	depends on ARC
+	help
+	This module implements a kernel device driver for the ARCv2 processor timer 0
+	and provides the standard "system clock driver" interfaces.
+
 endmenu

drivers/timer/Makefile

@@ -4,3 +4,4 @@ ccflags-y +=-I$(srctree)/arch/$(ARCH)/$(subst $(DQUOTE),,$(CONFIG_BSP_DIR))
 obj-$(CONFIG_PIT) = i8253.o
 obj-$(CONFIG_HPET_TIMER) += hpet.o
 obj-$(CONFIG_LOAPIC_TIMER) += loapic_timer.o
+obj-$(CONFIG_ARCV2_TIMER) += arcv2_timer0.o