ARM: Add TCC8xxx system timer

Add the system timer using clockevents with the internal TC32 timer.
This also adds a clocksource using the same timer.

Signed-off-by: "Hans J. Koch" <hjk@linutronix.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
diff --git a/arch/arm/mach-tcc8k/clock.c b/arch/arm/mach-tcc8k/clock.c
index a8982af..ba32a15 100644
--- a/arch/arm/mach-tcc8k/clock.c
+++ b/arch/arm/mach-tcc8k/clock.c
@@ -563,4 +563,5 @@
 		find_aclk_parent(lookups[i].clk);
 		clkdev_add(&lookups[i]);
 	}
+	tcc8k_timer_init(&tcz, (void __iomem *)TIMER_BASE, INT_TC32);
 }