procd: firstboot nand/ubi takeover support

it is now possible to flash a initramfs kernel and a sysupgrade tar file inside the ubi partition. on first boot, the takeover script will find the tar file, extract and finally sysupgrade it. this allows us to flash owrt/ubi images in a 2 phase setup using ODM webuis that are not ubi aware. this is needed by some mediatek and brokencom devices.

Signed-off-by: John Crispin <blogic@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@43505 3c298f89-4303-0410-b956-a3cf2f4a3e73
kernel: make ubi auto-attach check for a tar file magic

Signed-off-by: John Crispin <blogic@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@43506 3c298f89-4303-0410-b956-a3cf2f4a3e73
kernel: make the ubi attach patch check for a valid ubi magic rather than a tar magic

Signed-off-by: John Crispin <blogic@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@43507 3c298f89-4303-0410-b956-a3cf2f4a3e73
uboot-oxnas: re-add IC+ phy driver

KD20 got an IC+ phy, without the driver the phy is not properly
initialized resulting in ethernet not working unless being already
initialized by the vendor loader.

upstream commit 368b4d2b49bbbf379d9334747fbbd2aaaafe4356
drivers: net: remove dead drivers
removed icplus.c due to the lack of in-tree users.
Partially revert that commit adding back the IC+ driver.

Signed-off-by: Daniel Golle <daniel@makrotopia.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@43508 3c298f89-4303-0410-b956-a3cf2f4a3e73
uboot-oxnas: adjust digtial drive strength of IC+ phy

This is what the vendor bootloader does on KD20.

Signed-off-by: Daniel Golle <daniel@makrotopia.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@43509 3c298f89-4303-0410-b956-a3cf2f4a3e73
uboot-envtools: use environment stored in UBI also for KD20

Signed-off-by: Daniel Golle <daniel@makrotopia.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@43510 3c298f89-4303-0410-b956-a3cf2f4a3e73
kernel: add missing null pointer check for mips dma ops inline patch on 3.18

Signed-off-by: Felix Fietkau <nbd@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@43511 3c298f89-4303-0410-b956-a3cf2f4a3e73
mtd: make the dump commnd honour the -o option

Signed-off-by: John Crispin <blogic@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@43512 3c298f89-4303-0410-b956-a3cf2f4a3e73
procd: more nand takeover fixes

if the initramfs kernel and payload were flashed in one block, the payload might not be at the start of the ubi partition due to bad blocks inside the kernel partition.

Signed-off-by: John Crispin <blogic@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@43513 3c298f89-4303-0410-b956-a3cf2f4a3e73
ralink: mt7621 is a 1004Kc

Signed-off-by: L. D. Pinney <ldpinney@gmail.com>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@43514 3c298f89-4303-0410-b956-a3cf2f4a3e73