Using custom usb lib (#3284)

* added ext-libusb to overcome sysv_abi changes

* Fully remove libusb submodule

.gitmodules

@@ -103,6 +103,6 @@
 	path = externals/MoltenVK/cereal
 	url = https://github.com/USCiLab/cereal
 	shallow = true
-[submodule "externals/libusb"]
-	path = externals/libusb
-	url = https://github.com/libusb/libusb-cmake.git
+[submodule "externals/ext-libusb"]
+	path = externals/ext-libusb
+	url = https://github.com/shadps4-emu/ext-libusb.git

CMakeLists.txt

@@ -243,7 +243,6 @@ find_package(xxHash 0.8.2 MODULE)
 find_package(ZLIB 1.3 MODULE)
 find_package(Zydis 5.0.0 CONFIG)
 find_package(pugixml 1.14 CONFIG)
-find_package(libusb 1.0.27 MODULE)
 if (APPLE)
     find_package(date 3.0.1 CONFIG)
 endif()

externals/CMakeLists.txt

@@ -197,7 +197,7 @@ endif()
 
 # libusb
 if (NOT TARGET libusb::usb)
-    add_subdirectory(libusb)
+    add_subdirectory(ext-libusb)
     add_library(libusb::usb ALIAS usb-1.0)
 endif()