sw/e1-tracer: split recorder + analysis tools in sub-directories

this way it's easier to see which part of the code is used where

Change-Id: I7d727263383ec1d6d61dd31fcfebf4a4b1a04765
diff --git a/.checkpatch.conf b/.checkpatch.conf
index b79575f..72fd35f 100644
--- a/.checkpatch.conf
+++ b/.checkpatch.conf
@@ -1,3 +1,3 @@
---exclude ^software/e1-tracer/crc4itu.(c|h)$
+--exclude ^software/e1-tracer/analyze/crc4itu.(c|h)$
 --ignore OPEN_BRACE
 --ignore SPACING