[U-Boot] [PATCH v3 6/6] ARM: dts: at91: Add dts files for at91sam9263ek

[sjg at google.com]

The device tree source files of at91sam9263ek boards are copied from
the Linux v4.10, do the changes as below.
 - Add the reg property for the pinctrl node.
 - Move the gpio (pioA, pioB, pioC, pioD, pioE) nodes as the pinctrl's
   slibling nodes, instead of the child nodes.
 - Add the "u-boot,dm-pre-reloc" property for the dbgu node are used
   in board_init_f stage.
 - Fix the compilation warnings.

Signed-off-by: Wenyou Yang <wenyou.yang at atmel.com>
Reviewed-by: Simon Glass <sjg at chromium.org>
---

Changes in v3:
 - Add Reviewed-by tag.
 - Rebase on the master branch(ad46af0e76) of u-boot-dm git tree.

Changes in v2:
 - Rebase on the master branch (22e10be45) of u-boot-dm git tree.

 arch/arm/dts/Makefile          |   2 +
 arch/arm/dts/at91sam9263.dtsi  | 198 +++++++++++++++++++----------------
 arch/arm/dts/at91sam9263ek.dts | 229 +++++++++++++++++++++++++++++++++++++++++
 3 files changed, 340 insertions(+), 89 deletions(-)
 create mode 100644 arch/arm/dts/at91sam9263ek.dts

Applied to u-boot-dm/next, thanks!