microsoft/xbox.cpp: hookup HDD SW list

New software list items marked not working
------------------------------------------
OEM Dashboard [archive.org]

hash/xbox_hdd.xml

@@ -0,0 +1,26 @@
+<?xml version="1.0"?>
+<!DOCTYPE softwarelist SYSTEM "softwarelist.dtd">
+<!--
+license:CC0-1.0
+-->
+<softwarelist name="xbox_hdd" description="XBOX hard disk images">
+    <software name="oemdash" supported="partial">
+        <!-- TODO: add version -->
+		<description>OEM Dashboard</description>
+		<year>2001</year>
+		<publisher>Microsoft</publisher>
+    	<notes><![CDATA[
+Original Dashboard
+Converted to .raw thru qemu-img then back into .chd format.
+At the time of this writing chdman v5 fumbles with -chs (tries to convert it to 32k cylinders) assume standard Seagate -chs 16383,16,63 was used instead, cfr. https://xboxdevwiki.net/Xbox_Hard_Disk_Technical_Details
+Expects to be writable straight off the bat
+-debug has custom options, particularly the "xbox nv2a_combiners", cfr. "xbox help" for details.
+]]></notes>
+		<part name="hdd" interface="ide_hdd">
+			<diskarea name="harddriv">
+				<disk name="xbox_hdd" sha1="0408bc71a66e633856c622efe7d2562c26e99886" writeable="yes"/>
+			</diskarea>
+		</part>
+	</software>
+
+</softwarelist>

src/mame/microsoft/xbox.cpp

@@ -21,6 +21,8 @@
 
 #include "bitmap.h"
 
+#include "softlist_dev.h"
+
 
 namespace {
 
@@ -177,6 +179,8 @@ void xbox_state::xbox(machine_config &config)
 	SPEAKER(config, "mono").front_center();
 
 	OHCI_GAME_CONTROLLER(config, "ohci_gamepad", 0);
+
+	SOFTWARE_LIST(config, "xbox_hdd_list").set_original("xbox_hdd");
 }