7882 Add /dev/full , the always-full memory device
Reviewed by: Adam Stevko <adam.stevko@gmail.com>
Reviewed by: Toomas Soome <tsoome@me.com>

*** 65,74 ****
--- 65,75 ----
          <device match="cryptoadm" />
          <device match="dsk" />
          <device match="dtrace/*" />
          <device match="dtrace/provider/*" />
          <device match="fd" />
+         <device match="full" />
          <device match="ipnet" />
          <device match="kstat" />
          <device match="lo0" />
          <device match="log" />
          <device match="logindmux" />