i.MX3: make SoC devices globally available

Make SoC devices globally available to boards rather than using
a device specific init function.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

diff --git a/arch/arm/mach-mx3/devices.h b/arch/arm/mach-mx3/devices.h
new file mode 100644
index 0000000..4dc03f9
--- /dev/null
+++ b/arch/arm/mach-mx3/devices.h
@@ -0,0 +1,6 @@
+
+extern struct platform_device mxc_uart_device0;
+extern struct platform_device mxc_uart_device1;
+extern struct platform_device mxc_uart_device2;
+extern struct platform_device mxc_uart_device3;
+extern struct platform_device mxc_uart_device4;