Move xsvf_tools and remote_bitbang to contrib/

It looks like tools/ should be used only for build tools, and contrib/
is a suitable place for everything else.

Change-Id: Iddaebba0acb6d66404912ec96749b46e4be643d8
Signed-off-by: Paul Fertser <fercerpav@gmail.com>
Reviewed-on: http://openocd.zylin.com/1906
Reviewed-by: Spencer Oliver <spen@spen-soft.co.uk>
Tested-by: Spencer Oliver <spen@spen-soft.co.uk>

diff --git a/tools/remote_bitbang/remote_bitbang_sysfsgpio.c b/contrib/remote_bitbang/remote_bitbang_sysfsgpio.c
similarity index 100%
rename from tools/remote_bitbang/remote_bitbang_sysfsgpio.c
rename to contrib/remote_bitbang/remote_bitbang_sysfsgpio.c

diff --git a/tools/xsvf_tools/svf2xsvf.py b/contrib/xsvf_tools/svf2xsvf.py
similarity index 100%
rename from tools/xsvf_tools/svf2xsvf.py
rename to contrib/xsvf_tools/svf2xsvf.py

diff --git a/tools/xsvf_tools/xsvfdump.py b/contrib/xsvf_tools/xsvfdump.py
similarity index 100%
rename from tools/xsvf_tools/xsvfdump.py
rename to contrib/xsvf_tools/xsvfdump.py