brcm63xx: add working lzma-loader and use it for initramfs

Add a working lzma loader and use it for generating initramfs kernels
to allow easily netbooting elf kernels on devices with a 4 MiB CFE
size limit.

Based on ar71xx's lzma-loader.

Signed-off-by: Jonas Gorski <jogo@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@41940 3c298f89-4303-0410-b956-a3cf2f4a3e73
brcm63xx: switch to 3.14

Now that BB is branched off, we can now switch to 3.14 and start
breaking stuff again.

Signed-off-by: Jonas Gorski <jogo@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@41941 3c298f89-4303-0410-b956-a3cf2f4a3e73
brcm63xx: rework fallback sprom support

Rework fallback sprom support by providing different sproms for
different chips. Also make it optional to use.

This likely causes sprom fallback support to break on a few boards.

Signed-off-by: Jonas Gorski <jogo@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@41942 3c298f89-4303-0410-b956-a3cf2f4a3e73
mac80211: b43: include ucode30 by default

Fixes

b43-phy0 ERROR: Firmware file "b43-open/ucode30_mimo.fw" not found

for BCM43217 devices.

Signed-off-by: Jonas Gorski <jogo@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@41943 3c298f89-4303-0410-b956-a3cf2f4a3e73
brcm63xx: add preliminary support for D-Link DSL-2751B E1

Mostly works except for USB led. Flashing not tested yet. Mostly
as an example for the sprom fixup code.

Fixup values taken from GPL tarball by comparing bcm43217_map.c
with the struct in sprom.c.

Signed-off-by: Jonas Gorski <jogo@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@41944 3c298f89-4303-0410-b956-a3cf2f4a3e73