hw/ppc/pegasos2: Fix a typo in a comment

Reported-by: Stefan Weil <sw@weilnetz.de>
Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20230203194312.33834745712@zero.eik.bme.hu>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>

hw/ppc/pegasos2.c

@@ -564,7 +564,7 @@ static void dt_isa(PCIBus *bus, PCIDevice *d, FDTInfo *fi)
     qemu_fdt_setprop_string(fi->fdt, fi->path, "device_type", "isa");
     qemu_fdt_setprop_string(fi->fdt, fi->path, "name", "isa");
 
-    /* addional devices */
+    /* additional devices */
     g_string_printf(name, "%s/lpt@i3bc", fi->path);
     qemu_fdt_add_subnode(fi->fdt, name->str);
     qemu_fdt_setprop_cell(fi->fdt, name->str, "clock-frequency", 0);