updated prerequisites in docs/INSTALL

fixes devttys0#4

docs/INSTALL

@@ -3,17 +3,17 @@ PREREQUISITES
 	Libmpsse is currently supported on the Linux and OSX platforms.
 
 	Libmpsse requires swig as well as the libftdi and python development packages. 
-	These can typically be installed by your Linux distro's package manager, such as:
+	These can typically be installed by your Linux distro's package manager, for Debian:
 
-		# apt-get install swig libftdi-dev python-dev
+		# apt-get install swig libftdi-dev python-dev autoconf automake
 
-	For OSX, you will likely need to at least install libftdi from source. Note that
-	libftdi also requires the libusb-0.1 (not libusb-1.0) library.
+	For OSX, you will likely need to at least install libftdi from source.
 
 INSTALLATION
 
 	With the required prerequisites installed, libmpsse can be built and installed:
 
+		$ autoreconf
 		$ ./configure
 		$ make
 		# make install