Improved purpose description.

libraries/base/mm/src/vhdl/mm_slave_enable.vhd

@@ -22,7 +22,8 @@
 -- 
 -- Author: E. Kooistra
 -- Purpose: Connect an MM slave to the MM bus or represent an not connected
---          slave.
+--          slave. Force waitrequest = '0' if slave does not need mosi flow
+--          control
 -- Description:
 -- * g_enable
 --   When FALSE then the in_miso output tot the master is forced to