GUI: Add monospace TTF

Change-Id: I287722719c1f73cc8f7214549f9a890f03d4a586
diff --git a/gui/devices/320x320/res/ui.xml b/gui/devices/320x320/res/ui.xml
index a0b1c8a..317e632 100644
--- a/gui/devices/320x320/res/ui.xml
+++ b/gui/devices/320x320/res/ui.xml
@@ -18,6 +18,7 @@
 		<resource name="font" type="font" filename="RobotoCondensed-Regular.ttf" size="14" fallback="Roboto-Condensed-14" />
 		<resource name="mediumfont" type="font" filename="RobotoCondensed-Regular.ttf" size="14" fallback="Roboto-Condensed-14" />
 		<resource name="filelist" type="font" filename="RobotoCondensed-Regular.ttf" size="14" fallback="Roboto-Condensed-14" />
+		<resource name="fixed" type="font" filename="DroidSansMono.ttf" size="12" />
 		<resource name="twrplogo" type="image" filename="twrplogo" retainaspect="1" />
 		<resource name="main_button" type="image" filename="menu-button" />
 		<resource name="file_icon" type="image" filename="file" retainaspect="1" />