brcm63xx: fix Livebox 1 support

The Livebox 1 support is currently broken. Fixed with this patch

Fixes:
- Redboot partitioning broken: fixed
- Replaced custom ephy reset with platform code
- USB code breaks the building process: fixed
- Led colors
- Removed unneded EHCI code since bcm6348 only has OHCI

Signed-off-by: Daniel Gonzalez <dgcbueu@gmail.com>
[jogo: drop unneded parts since merge, fixup to apply to current head]
Signed-off-by: Jonas Gorski <jogo@openwrt.org>
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@41424 3c298f89-4303-0410-b956-a3cf2f4a3e73