PEL: Print host trans state in peltool

In the UserHeader section, add an entry into peltool's JSON
output for the host transmission state.

Signed-off-by: Matt Spinler <spinler@us.ibm.com>
Change-Id: Ie906a447859e30175652d291ef2f929e8a7077f6
diff --git a/.gitignore b/.gitignore
index 5a6dc5b..be5d9e2 100644
--- a/.gitignore
+++ b/.gitignore
@@ -43,3 +43,4 @@
 test/*_test_*
 test/*_test
 phosphor-rsyslog-config/phosphor-rsyslog-conf
+peltool