Add rdroot entry

src/etc/etc.amiga/disktab

@@ -1,5 +1,5 @@
 #
-#	$OpenBSD: disktab,v 1.7 1997/05/03 22:19:14 niklas Exp $
+#	$OpenBSD: disktab,v 1.8 1997/05/13 16:22:42 niklas Exp $
 #	$NetBSD: disktab,v 1.4 1995/11/28 05:40:23 jtc Exp $
 #
 # Disk geometry and partition layout tables. 
@@ -51,3 +51,7 @@ miniroot:\
 	:pa#10240:oa#0:ba#8192:fa#1024:ta=4.2BSD:\
 	:pb#0:ob#0:\
 	:pc#10240:oc#0:
+rdroot|ramdiskroot|RAM-disk root FS image:\
+	:ty=simulated:se#512:nc#16:nt#2:ns#128:\
+	:ta=4.2BSD:oa#0:pa#4096:fa#1024:ba#8192:\
+	:ob#0:pb#0:oc#0:pc#4096: