ipmi: add of_device_id in MODULE_DEVICE_TABLE

Fix autoloading ipmi modules when using device tree.
Signed-off-by: NBrijesh Singh <brijeshkumar.singh@amd.com>

Moved this change up into the CONFIG_OF section to account
for changes to the probing code.
Signed-off-by: NCorey Minyard <cminyard@mvista.com>

drivers/char/ipmi/ipmi_si_intf.c

@@ -2646,6 +2646,7 @@ static int of_ipmi_probe(struct platform_device *dev)
 	}
 	return 0;
 }
+MODULE_DEVICE_TABLE(of, of_ipmi_match);
 #else
 #define of_ipmi_match NULL
 static int of_ipmi_probe(struct platform_device *dev)