Misc: update pkg-config template

* Change human readable name to libusbx and mention OpenBSD

libusb-1.0.pc.in

diff --git a/libusb-1.0.pc.in b/libusb-1.0.pc.in
index 81b56ec..645c978 100644
--- a/libusb-1.0.pc.in
+++ b/libusb-1.0.pc.in
@@ -3,10 +3,9 @@
 libdir=@libdir@
 includedir=@includedir@
 
-Name: libusb-1.0
-Description: C API for USB device access from Linux, Mac OS X and Windows userspace
+Name: libusbx-1.0
+Description: C API for USB device access from Linux, Mac OS X, Windows and OpenBSD userspace
 Version: @VERSION@
 Libs: -L${libdir} -lusb-1.0
 Libs.private: @PC_LIBS_PRIVATE@
 Cflags: -I${includedir}/libusb-1.0
-