updated FPGA docs (not complete yet)

doc/Tools.md

@@ -46,6 +46,16 @@ This command can be combined with the `pipe` subcommand.
       CONFIG  path to a configuration file
       TEST    the name of the test to execute: 'rtt'
       NODE    name of the node which shoud be used
+ 
+### `villas fpga`
+
+    Usage: ./fpga CONFIGFILE CMD [OPTIONS]
+       Commands:
+          tests      Test functionality of VILLASfpga card
+          benchmarks Do benchmarks
+    
+       Options:
+          -d    Set log level
 
 ## Examples
 

doc/nodes/FPGA.md

@@ -1,4 +1,4 @@
-# GTFPGA {#gtfpga}
+# VILLASfpga {#fpga}
 
 The GTFPGA card is an extension card for simulator racks from RTDS.
 The manufacturer provides a VHDL module to exchange data via fiber optics between the GTFPGA and GPC cards.