Ignore untracked in text, parsec and mtl submodules [skip ci]

ignore all untracked changes in all submodules from the top level.
This matches the older settings for the other submodules and stops
litering `git status` output with files created by ./boot and make.

Reviewers: austin, bgamari

Reviewed By: bgamari

Subscribers: hvr, rwbarton, thomie

Differential Revision: https://phabricator.haskell.org/D3899

.gitmodules

@@ -57,59 +57,59 @@
 [submodule "libraries/array"]
 	path = libraries/array
 	url = ../packages/array.git
-	ignore = none
+	ignore = untracked
 [submodule "libraries/deepseq"]
 	path = libraries/deepseq
 	url = ../packages/deepseq.git
-	ignore = none
+	ignore = untracked
 [submodule "libraries/directory"]
 	path = libraries/directory
 	url = ../packages/directory.git
-	ignore = none
+	ignore = untracked
 [submodule "libraries/filepath"]
 	path = libraries/filepath
 	url = ../packages/filepath.git
-	ignore = none
+	ignore = untracked
 [submodule "libraries/hpc"]
 	path = libraries/hpc
 	url = ../packages/hpc.git
-	ignore = none
+	ignore = untracked
 [submodule "libraries/parsec"]
 	path = libraries/parsec
 	url = ../packages/parsec.git
-	ignore = none
+	ignore = untracked
 [submodule "libraries/text"]
 	path = libraries/text
 	url = ../packages/text.git
-	ignore = none
+	ignore = untracked
 [submodule "libraries/mtl"]
 	path = libraries/mtl
 	url = ../packages/mtl.git
-	ignore = none
+	ignore = untracked
 [submodule "libraries/process"]
 	path = libraries/process
 	url = ../packages/process.git
-	ignore = none
+	ignore = untracked
 [submodule "libraries/unix"]
 	path = libraries/unix
 	url = ../packages/unix.git
-	ignore = none
+	ignore = untracked
 [submodule "libraries/parallel"]
 	path = libraries/parallel
 	url = ../packages/parallel.git
-	ignore = none
+	ignore = untracked
 [submodule "libraries/stm"]
 	path = libraries/stm
 	url = ../packages/stm.git
-	ignore = none
+	ignore = untracked
 [submodule "libraries/dph"]
 	path = libraries/dph
 	url = ../packages/dph.git
-	ignore = none
+	ignore = untracked
 [submodule "utils/haddock"]
 	path = utils/haddock
 	url = ../haddock.git
-	ignore = none
+	ignore = untracked
 	branch = ghc-head
 [submodule "nofib"]
 	path = nofib
@@ -118,11 +118,11 @@
 [submodule "utils/hsc2hs"]
 	path = utils/hsc2hs
 	url = ../hsc2hs.git
-	ignore = none
+	ignore = untracked
 [submodule "libffi-tarballs"]
 	path = libffi-tarballs
 	url = ../libffi-tarballs.git
-	ignore = none
+	ignore = untracked
 [submodule "gmp-tarballs"]
 	path = libraries/integer-gmp/gmp/gmp-tarballs
 	url = ../gmp-tarballs.git