brcm2708: update linux 4.9 patches to latest version

As usual these patches were extracted and rebased from the raspberry pi repo:
https://github.com/raspberrypi/linux/tree/rpi-4.9.y

- Remove led1 from diag.sh for RPi3 since it causes boot issues.
- Fix modules.mk typos.

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

target/linux/brcm2708/patches-4.9/0049-char-broadcom-Add-vcio-module.patch

@@ -1,4 +1,4 @@
-From e826eaf145a568f477ab9e5554a563233ad7fb49 Mon Sep 17 00:00:00 2001
+From 2e8101a5e6228109d2cd5b965b6077e63e643d6b Mon Sep 17 00:00:00 2001
 From: =?UTF-8?q?Noralf=20Tr=C3=B8nnes?= <noralf@tronnes.org>
 Date: Fri, 26 Jun 2015 14:27:06 +0200
 Subject: [PATCH] char: broadcom: Add vcio module