Siemens SITEMP G1P1: mainboard.c: Rename `init` to `mainboard_init`

This is the common way to name that function, so unify that.

Change-Id: I8a01051bd304039662894b89eed53ce14dde98b6
Signed-off-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-on: http://review.coreboot.org/2491
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <patrick@georgi-clan.de>
diff --git a/src/mainboard/siemens/sitemp_g1p1/mainboard.c b/src/mainboard/siemens/sitemp_g1p1/mainboard.c
index a73fbd6..c2f9e70 100644
--- a/src/mainboard/siemens/sitemp_g1p1/mainboard.c
+++ b/src/mainboard/siemens/sitemp_g1p1/mainboard.c
@@ -806,7 +806,7 @@
  * @param the root device
  */
 
-static void init(device_t dev)
+static void mainboard_init(device_t dev)
 {
 #if CONFIG_PCI_OPTION_ROM_RUN_REALMODE
 	INT15_function_extensions int15_func;
@@ -845,7 +845,7 @@
 	detect_hw_variant(dev);
 	update_subsystemid(dev);
 
-	dev->ops->init = init;  // rest of mainboard init later
+	dev->ops->init = mainboard_init;  // rest of mainboard init later
 }
 
 struct chip_operations mainboard_ops = {