opt(cpuifno): move cpuinfo from pytorch to MegEngine

.gitmodules

@@ -25,9 +25,6 @@
 [submodule "third_party/flatbuffers"]
 	path = third_party/flatbuffers
 	url = https://github.com/google/flatbuffers.git
-[submodule "third_party/cpuinfo"]
-	path = third_party/cpuinfo
-	url = https://github.com/pytorch/cpuinfo.git
 [submodule "third_party/pybind11"]
 	path = third_party/pybind11
 	url = https://github.com/pybind/pybind11.git
@@ -46,3 +43,6 @@
 [submodule "third_party/Json"]
 	path = third_party/Json
 	url = https://github.com/nlohmann/json.git
+[submodule "third_party/cpuinfo"]
+	path = third_party/cpuinfo
+	url = https://github.com/MegEngine/cpuinfo.git

cpuinfo @ ea1061c2

-Subproject commit 63b254577ed77a8004a9be6ac707f3dccc4e1fd9
+Subproject commit ea1061c25dda02e3d539f79ae54186d3261ab357