ARM: multi_v7_defconfig: Enable Zynq/Xilinx drivers

This is a squashed series from Soren:

"I went through the defconfig and searched for Zynq drivers. The result
is this series of patches. The first few are all for Zynq and pretty
much straight forward. The second half is mostly soft-IP, I think. That
soft-IP works with Zynq devices, but I'm not sure whether those should
go into the multi_v7 defconfig."

Soren Brinkmann (11):
  ARM: multi_v7_defconfig: Enable Zynq cpuidle driver
  ARM: multi_v7_defconfig: Enable Zynq/Xilinx CAN driver
  ARM: multi_v7_defconfig: Enable XADC driver
  ARM: multi_v7_defconfig: Enable Zynq SPI driver
  ARM: multi_v7_defconfig: Enable Zynq GPIO driver
  ARM: multi_v7_defconfig: Enable Xilinx I2C driver
  ARM: multi_v7_defconfig: Enable Xilinx SPI driver
  ARM: multi_v7_defconfig: Enable Xilinx GPIO driver
  ARM: multi_v7_defconfig: Enable Xilinx VDMA driver
  ARM: multi_v7_defconfig: Enable Xilinx emaclite driver
  ARM: multi_v7_defconfig: Enable Xilinx watchdog timer

Signed-off-by: Soren Brinkmann <soren.brinkmann@xilinx.com>
[olof: Added commit message from series envelope email, squashed to
one patch]
Signed-off-by: Olof Johansson <olof@lixom.net>