Add patch for not requiring PyBind11 download

Author: Flamefire

easybuild/easyconfigs/p/PyTorch/PyTorch-1.4.0_fix-system-pybind11.patch

@@ -0,0 +1,23 @@
+From 4a48ba57e0cab63d357faf7adf93cf61106221f0 Mon Sep 17 00:00:00 2001
+From: Alexander Grund <[email protected]>
+Date: Mon, 7 Sep 2020 12:40:56 +0200
+Subject: [PATCH] Remove pybind11 from required submodules
+
+This can be taken from the system in which case it is not used from the
+submodule. Hence the check here limits the usage unneccessarily
+---
+ setup.py | 1 -
+ 1 file changed, 1 deletion(-)
+
+diff --git a/setup.py b/setup.py
+index 8c060a1c5e3f3..c91916ab1b1e8 100644
+--- a/setup.py
++++ b/setup.py
+@@ -309,7 +309,6 @@ def check_file(f):
+             sys.exit(1)
+ 
+     check_file(os.path.join(third_party_path, "gloo", "CMakeLists.txt"))
+-    check_file(os.path.join(third_party_path, "pybind11", "CMakeLists.txt"))
+     check_file(os.path.join(third_party_path, 'cpuinfo', 'CMakeLists.txt'))
+     check_file(os.path.join(third_party_path, 'tbb', 'Makefile'))
+     check_file(os.path.join(third_party_path, 'onnx', 'CMakeLists.txt'))

easybuild/easyconfigs/p/PyTorch/PyTorch-1.6.0-fosscuda-2019b-Python-3.7.4.eb

@@ -199,6 +199,7 @@ sources = [
     },
 ]
 patches = [
+    '%(name)s-1.4.0_fix-system-pybind11.patch',
     '%(name)s-%(version)s_fix-missing-source-dir.patch',
     '%(name)s-%(version)s_fix-test-cuda.patch',
     '%(name)s-%(version)s_fix-test-tensorexpr.patch',
@@ -241,6 +242,7 @@ checksums = [
      'be111cf161b587812fa3b106fe550efb6f129b8b0b702fef32fac23af9580e5e'),
     '9d78a64a4456eb0caeba8742080c39e07019114c1f4914f0e1ffa8f0a507c40f',  # tensorpipe-20200626.tar.gz
     '5ca4e9091f3231d8ad8801862dc4e851c23af89c69141d27723157776f7291e7',  # libuv-20200419.tar.gz
+    '1c9f36f959ea5d7cf0d4ca678ec6bf60ef9ed16c556f97197aa018c7b1e5e21d',  # PyTorch-1.4.0_fix-system-pybind11.patch
     'f3725477d554800a19a8d7f4ab300ab7b70da76b62328081c0ed1f8517c6a61c',  # PyTorch-1.6.0_fix-missing-source-dir.patch
     'adf21e77dbc5e60fd46fe21fceb908633b0da7d4fc9b6a3ea7f7cfb0c4a44678',  # PyTorch-1.6.0_fix-test-cuda.patch
     '37c19e286f4090115bc67989e537241f2988041ef5c3ff6d02d8c736d8703090',  # PyTorch-1.6.0_fix-test-tensorexpr.patch