imx6: update network defaults for Gateworks Ventana

Signed-off-by: Tim Harvey <tharvey@gateworks.com>
Signed-off-by: Luka Perkov <luka@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@38079 3c298f89-4303-0410-b956-a3cf2f4a3e73
imx6: update PCIe driver

Signed-off-by: Tim Harvey <tharvey@gateworks.com>
Signed-off-by: Luka Perkov <luka@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@38080 3c298f89-4303-0410-b956-a3cf2f4a3e73
imx6: update gw5400-a dts

- remove common imx6q-ventana.dtsi - there isn't enough commonality to
  warrent this
- rename user led's to 1-based
- add alises used by bootloader
- clean up iomux gpios
- fix pfuze slave address
- enable sata
- add delay after release of pci reset downstream from PCIe switch
- remove PCIe clock configuration as its now handled in updated driver

Signed-off-by: Tim Harvey <tharvey@gateworks.com>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@38081 3c298f89-4303-0410-b956-a3cf2f4a3e73