Moving the libusb-compat source from jumper to external.

Change-Id: Icd5631b38c4b1a16ae0f715d32c1e1d4ba82c435
diff --git a/libusb.pc.in b/libusb.pc.in
new file mode 100644
index 0000000..02d67b8
--- /dev/null
+++ b/libusb.pc.in
@@ -0,0 +1,14 @@
+prefix=@prefix@
+exec_prefix=@exec_prefix@
+libdir=@libdir@
+includedir=@includedir@
+
+emulated=1
+emulated_by=libusb-1.0
+
+Name: libusb
+Description: USB access library (libusb-1.0 compat wrapper)
+Version: @LIBUSB01_VERSION@
+Libs: -L${libdir} -lusb
+Cflags: -I${includedir}
+