ARM: tegra: convert to common timer code

Convert tegra to use the commmon timer code.

Signed-off-by: Rob Herring <rob.herring@calxeda.com>
diff --git a/arch/arm/cpu/tegra-common/Makefile b/arch/arm/cpu/tegra-common/Makefile
index 3aac655..edfc1a8 100644
--- a/arch/arm/cpu/tegra-common/Makefile
+++ b/arch/arm/cpu/tegra-common/Makefile
@@ -8,4 +8,4 @@
 #
 
 obj-y += lowlevel_init.o
-obj-y	+= ap.o board.o sys_info.o timer.o clock.o cache.o
+obj-y	+= ap.o board.o sys_info.o clock.o cache.o