We now do crunched ramdisk binaries on MIPS so decrease the size of the

ramdisk. (We now may even fit this on a gzipped floppy image).
Move mbr and msdos5mb to a better place. (arch/arc/stand/mbr).

src/etc/etc.arc/disktab

@@ -29,9 +29,9 @@
 #
 
 rdroot|ramdiskroot|RAM-disk root FS image:\
-	:ty=simulated:se#512:nc#20:nt#5:ns#200:\
-	:ta=4.2BSD:oa#0:pa#20000:fa#1024:ba#4096:\
-	:ob#0:pb#0:oc#0:pc#20000:
+	:ty=simulated:se#512:nc#16:nt#4:ns#128:\
+	:ta=4.2BSD:oa#0:pa#8192:fa#512:ba#4096:\
+	:ob#0:pb#0:oc#0:pc#8192:
 	
 # Seagate ST31200N
 ST31200N-MBR:\