bcm27xx-eeprom: add package for updating RPi bootloader

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>

utils/bcm27xx-eeprom/patches/0002-rpi-eeprom-config-switch-to-Python-3.patch

@@ -0,0 +1,21 @@
+From 869a29ec65a0985670a259f4820df4fafc22c971 Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= <noltari@gmail.com>
+Date: Wed, 25 Mar 2020 10:14:34 +0100
+Subject: [PATCH] rpi-eeprom-config: switch to Python 3
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
+---
+ rpi-eeprom-config | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+--- a/rpi-eeprom-config
++++ b/rpi-eeprom-config
+@@ -1,4 +1,4 @@
+-#!/usr/bin/python
++#!/usr/bin/python3
+ 
+ # rpi-eeprom-config
+ # Utility for reading and writing the configuration file in the