update to latest softfloat (really) and SoftPosit (posit32!!!)

diff --git a/SoftPosit b/SoftPosit
index 51c9be8b29f229f51cde5c2896fa26af9cd61cb6..37fe3ca171606590a56e4d0f2b0409b35c943d9b 160000 (submodule)
--- a/SoftPosit
+++ b/SoftPosit
@@ -1 +1 @@
-Subproject commit 51c9be8b29f229f51cde5c2896fa26af9cd61cb6
+Subproject commit 37fe3ca171606590a56e4d0f2b0409b35c943d9b

diff --git a/berkeley-softfloat-3 b/berkeley-softfloat-3
index f74b1e48110ac3a27dd49b787d164e55e42d81d1..b64af41c3276f97f0e181920400ee056b9c88037 160000 (submodule)
--- a/berkeley-softfloat-3
+++ b/berkeley-softfloat-3
@@ -1 +1 @@
-Subproject commit f74b1e48110ac3a27dd49b787d164e55e42d81d1
+Subproject commit b64af41c3276f97f0e181920400ee056b9c88037