ARM: OMAP: convert omap_device_build() and callers to __init

Building omap_devices should only be done at init time, and since
omap_device_build() is using early_platform calls which are also
__init, this ensures that omap_device isn't trying to use functions
that disappear.

Signed-off-by: Kevin Hilman <khilman@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
diff --git a/arch/arm/mach-omap2/sr_device.c b/arch/arm/mach-omap2/sr_device.c
index 9f43fcc..78c9437 100644
--- a/arch/arm/mach-omap2/sr_device.c
+++ b/arch/arm/mach-omap2/sr_device.c
@@ -69,7 +69,7 @@
 	sr_data->nvalue_count = count;
 }
 
-static int sr_dev_init(struct omap_hwmod *oh, void *user)
+static int __init sr_dev_init(struct omap_hwmod *oh, void *user)
 {
 	struct omap_sr_data *sr_data;
 	struct platform_device *pdev;