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.

src/Makefile

@@ -9,9 +9,13 @@ CC ?= cc
 CROSS_CC ?= $(CROSS_COMPILE)$(CC)
 HOST_CC ?= $(HOST_COMPILE)$(CC)
 
+PKG_CONFIG ?= pkg-config
+LIBUSB_CFLAGS ?= $(shell $(PKG_CONFIG) --cflags libusb-1.0 2>/dev/null)
+LIBUSB_LIBS ?= $(shell $(PKG_CONFIG) --libs libusb-1.0 2>/dev/null || echo -lusb-1.0)
+
 CPPFLAGS += -DVERSION=\"$(VERSION)\" -DBUILD_DATE="\"$(BUILD_DATE)\"" -D_POSIX_C_SOURCE=200809L -D_FILE_OFFSET_BITS=64
 CFLAGS += -W -Wall -O2 -pedantic -std=c99
-LIBS += -lusb -ldl
+LIBS += $(LIBUSB_LIBS)
 
 DEPENDS = Makefile ../config.mk
 
@@ -39,7 +43,7 @@ libusb-sniff-64.so: libusb-sniff.c $(DEPENDS)
 	$(CC) $(CFLAGS) $(LDFLAGS) -fPIC $< -ldl -shared -m64 -o $@
 
 %.o: %.c $(DEPENDS)
-	$(CROSS_CC) $(CFLAGS) $(CPPFLAGS) -c -o $@ $<
+	$(CROSS_CC) $(CFLAGS) $(CPPFLAGS) $(LIBUSB_CFLAGS) -c -o $@ $<
 
 install: $(BIN) $(BIN).1
 	$(INSTALL) -D -m 755 $(BIN) $(DESTDIR)$(PREFIX)/bin/$(BIN)