Merge 'Allwinner fixes for 3.15' from Maxime Ripard:

Set of fixes for the Allwinner support for 3.15

Some minor things, the major thing being the enabling of the GMAC driver in
sunxi_defconfig that will un-break Olof's autobooters.

* tag 'sunxi-fixes-for-3.15' of https://github.com/mripard/linux

:
  ARM: sunxi: Enable GMAC in sunxi_defconfig
  ARM: sun7i: Fix i2c4 base address
  ARM: sun7i: fix PLL4 clock and add PLL8

Signed-off-by: Olof Johansson <olof@lixom.net>