tools/ccache: Update ccache 3.3.2 and refresh patch

tools/ccache: Update ccache 3.3.2 and refresh patch

Update ccache 3.3.2 and refresh patch

Preserving the original patch comments here by Karl Vogel:

"From 90762a9b8d9a50b6176f10bd6c2e2b9501117561 Mon Sep 17 00:00:00 2001
From: Karl Vogel <karl.vogel@gmail.com>
Date: Tue, 14 Jul 2015 11:05:33 +0200
Subject: [PATCH] Include environment variable GCC_HONOUR_COPTS in hash.

The OpenWRT patch, 910-mbsd_multi.patch, to GCC adds an extra
compilation flag, -fhonour-copts, which is influenced by an
environment variable called GCC_HONOUR_COPTS.

Include this environment var in the hash calculation as otherwise
the gcc stdout warning from a previous compilation might be shown
where, even when GCC_HONOUR_COPTS is in 's'ilent mode.

Signed-off-by: Karl Vogel <karl.vogel@gmail.com>"
Signed-off-by: Daniel Engberg <daniel.engberg.lists@pyret.net>