STiH410: Add STi timer driver

Add ARM global timer based timer

Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
diff --git a/drivers/timer/Makefile b/drivers/timer/Makefile
index a4b1a48..ae94be8 100644
--- a/drivers/timer/Makefile
+++ b/drivers/timer/Makefile
@@ -10,3 +10,4 @@
 obj-$(CONFIG_X86_TSC_TIMER)	+= tsc_timer.o
 obj-$(CONFIG_OMAP_TIMER)	+= omap-timer.o
 obj-$(CONFIG_AST_TIMER)	+= ast_timer.o
+obj-$(CONFIG_STI_TIMER)		+= sti-timer.o