tcl: also skip chanio-13.6

The io-* tests and chanio-* tests are in sync, so we should skip both
io-13.6 and chanio-13.6.

[ YOCTO #15421 ]

(From OE-Core rev: e7686fbfb2cb630b33edce48bf1982044d0bf3ea)

Signed-off-by: Ross Burton <ross.burton@arm.com>
Signed-off-by: Mathieu Dubois-Briand <mathieu.dubois-briand@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

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

@@ -15,7 +15,7 @@ SKIP="$SKIP exit-1.\*"
 # 15407 15421
 SKIP="$SKIP \*io-46.1"
 # io-13.6 explicitly says it can fail on slow/loaded machines
-SKIP="$SKIP io-13.6"
+SKIP="$SKIP \*io-13.6"
 # 14825
 SKIP="$SKIP socket-\* socket_inet-\*"
 # tries to access google.com

meta/recipes-devtools/tcltk8/tcl8/run-ptest

@@ -16,7 +16,7 @@ SKIP="$SKIP exit-1.\*"
 # 15407 15421
 SKIP="$SKIP \*io-46.1"
 # io-13.6 explicitly says it can fail on slow/loaded machines
-SKIP="$SKIP io-13.6"
+SKIP="$SKIP \*io-13.6"
 # 14825
 SKIP="$SKIP socket-\* socket_inet-\*"