tcl: enable ptest support

Install tcl test suite and run it as ptest.

(From OE-Core rev: 831da5b54cf294ecf90626b14d439bd8e99cb0c2)

Signed-off-by: Chong Lu <Chong.Lu@windriver.com>
Signed-off-by: Saul Wold <sgw@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/recipes-devtools/tcltk/tcl/run-ptest

@@ -0,0 +1,8 @@
+#!/bin/sh
+
+for i in `ls tests/*.test |awk -F/ '{print $2}'`; \
+    do TCL_LIBRARY=library ./tcltest tests/all.tcl -file $i &>$i.tmp; \
+    grep -q "^Files with failing tests:" $i.tmp; \
+    if [ $? == 0 ]; then echo "FAIL: $i"; \
+    else echo "PASS: $i"; rm -f $i.tmp; fi; \
+done