Relocate usb_detach to utils (#5121)

* Relocate usb_detach to utils

* Relocate usb_detach to utils - fix up files after move

util/usb_detach/Makefile

@@ -0,0 +1,18 @@
+# the compiler: gcc for C program, define as g++ for C++
+CC = gcc
+
+# compiler flags:
+#  -g    adds debugging information to the executable file
+#  -Wall turns on most, but not all, compiler warnings
+CFLAGS  = -g -Wall
+
+# the build target executable:
+TARGET = usb_detach
+
+all: $(TARGET)
+
+$(TARGET): $(TARGET).c
+	$(CC) $(CFLAGS) -o $(TARGET) $(TARGET).c
+
+clean:
+	$(RM) $(TARGET)