Update inih Submodule and Reorganize Submodules

.gitmodules

@@ -1,6 +1,3 @@
-[submodule "inih"]
-    path = externals/inih/inih
-    url = https://github.com/svn2github/inih
 [submodule "boost"]
     path = externals/boost
     url = https://github.com/yuzu-emu/ext-boost.git
@@ -10,15 +7,18 @@
 [submodule "dynarmic"]
     path = externals/dynarmic
     url = https://github.com/MerryMage/dynarmic.git
-[submodule "xbyak"]
-    path = externals/xbyak
-    url = https://github.com/herumi/xbyak.git
 [submodule "fmt"]
     path = externals/fmt
     url = https://github.com/fmtlib/fmt.git
+[submodule "inih"]
+    path = externals/inih/inih
+    url = https://github.com/benhoyt/inih.git
 [submodule "lz4"]
     path = externals/lz4
     url = http://github.com/lz4/lz4.git
 [submodule "unicorn"]
     path = externals/unicorn
-    url = https://github.com/yuzu-emu/unicorn
+    url = https://github.com/yuzu-emu/unicorn.git
+[submodule "xbyak"]
+    path = externals/xbyak
+    url = https://github.com/herumi/xbyak.git