hw: Add missing 'static' attribute for QEMUMachine

It was missing for leon3 and mips_fulong2e.
Signed-off-by: NStefan Weil <sw@weilnetz.de>
Reviewed-by: NAndreas Färber <afaerber@suse.de>
Signed-off-by: NStefan Hajnoczi <stefanha@gmail.com>

hw/leon3.c

@@ -210,7 +210,7 @@ static void leon3_generic_hw_init(ram_addr_t  ram_size,
     }
 }
 
-QEMUMachine leon3_generic_machine = {
+static QEMUMachine leon3_generic_machine = {
     .name     = "leon3_generic",
     .desc     = "Leon-3 generic",
     .init     = leon3_generic_hw_init,

hw/mips_fulong2e.c

@@ -392,7 +392,7 @@ static void mips_fulong2e_init(ram_addr_t ram_size, const char *boot_device,
     network_init();
 }
 
-QEMUMachine mips_fulong2e_machine = {
+static QEMUMachine mips_fulong2e_machine = {
     .name = "fulong2e",
     .desc = "Fulong 2e mini pc",
     .init = mips_fulong2e_init,