feat(usb): migrate to libusb 1.0

Replace the old libusb 0.1 API with libusb 1.0.

- Update device detection and USB transfers.
- Update USB interface and resource handling.
- Use pkg-config to find the library.
- Update build dependencies and installation instructions.

config.mk

@@ -4,3 +4,8 @@ PREFIX = /usr/local
 # NetBSD stuff
 #CPPFLAGS += -I/usr/pkg/include
 #LDFLAGS += -L/usr/pkg/lib -Wl,-R/usr/pkg/lib
+
+# libusb-1.0 flags are detected by pkg-config, set them manually without it
+# (e.g. macOS with Homebrew libusb on Apple Silicon)
+#LIBUSB_CFLAGS = -I/opt/homebrew/opt/libusb/include/libusb-1.0
+#LIBUSB_LIBS = -L/opt/homebrew/opt/libusb/lib -lusb-1.0