Update README.md

Added packages needed in `apt install` for "Build patches (...) using Raspbian", tested on Raspberry Pi 4.

Also, see comments from seemoo-lab#326 (comment) .

uname -a:
`Linux raspberrypi-2 4.19.118-v7l+ #1311 SMP Mon Apr 27 14:26:42 BST 2020 armv7l GNU/Linux`

README.md

@@ -105,7 +105,7 @@ To be able to communicate with the firmware without root priviledges, we created
 **Note:** We currently support Kernel Version 4.4 (depricated), 4.9, 4.14 and 4.19. Raspbian contains firmware version 7.45.154 for the bcm43455c0. We also support the newer firmware release 7.45.189 from Cypress. Please, try which works best for you.
 * Make sure the following commands are executed as root: `sudo su`
 * Upgrade your Raspbian installation: `apt-get update && apt-get upgrade`
-* Install the kernel headers to build the driver and some dependencies: `sudo apt install raspberrypi-kernel-headers git libgmp3-dev gawk qpdf bison flex make`
+* Install the kernel headers to build the driver and some dependencies: `sudo apt install raspberrypi-kernel-headers git libgmp3-dev gawk qpdf bison flex make automake libtool-bin texinfo`
 * Clone our repository: `git clone https://github.com/seemoo-lab/nexmon.git`
 * Go into the root directory of our repository: `cd nexmon`
 * Check if `/usr/lib/arm-linux-gnueabihf/libisl.so.10` exists, if not, compile it from source: