ar71xx: add kernel support for dir-825-c1

[juhosg:
 - remove unused GPIO stuff
 - use a separate kernel patch for machine integration]

Signed-off-by: Alexander Stadler <sa.maillists@univie.ac.at>
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@35401 3c298f89-4303-0410-b956-a3cf2f4a3e73
ar71xx: add user space support for dir-825-c1

[juhosg: fix whitespaces in some scripts]

Signed-off-by: Alexander Stadler <sa.maillists@univie.ac.at>
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@35402 3c298f89-4303-0410-b956-a3cf2f4a3e73
ar71xx: add profile and build image for dir-825-c1

Signed-off-by: Alexander Stadler <sa.maillists@univie.ac.at>
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@35403 3c298f89-4303-0410-b956-a3cf2f4a3e73