Debug menu now show partitions on all drives, not just the first.

Change-Id: I76e4cb6cb3d23ed72a6dc6432910eb8c3415c5d8
diff --git a/apps/debug_menu.c b/apps/debug_menu.c
index 362d3fb..48ebec2 100644
--- a/apps/debug_menu.c
+++ b/apps/debug_menu.c
@@ -558,7 +558,7 @@
 static bool dbg_partitions(void)
 {
     struct simplelist_info info;
-    simplelist_info_init(&info, "Partition Info", 4, NULL);
+    simplelist_info_init(&info, "Partition Info", NUM_DRIVES * 4, NULL);
     info.selection_size = 2;
     info.hide_selection = true;
     info.scroll_all = true;