arm: imx: make various struct sys_timer static

Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
diff --git a/arch/arm/mach-imx/mach-pcm043.c b/arch/arm/mach-imx/mach-pcm043.c
index 237474f..73585f5 100644
--- a/arch/arm/mach-imx/mach-pcm043.c
+++ b/arch/arm/mach-imx/mach-pcm043.c
@@ -399,7 +399,7 @@
 	mx35_clocks_init();
 }
 
-struct sys_timer pcm043_timer = {
+static struct sys_timer pcm043_timer = {
 	.init	= pcm043_timer_init,
 };