uboot-phytec

Merge pull request #13 in PROCESSOR-SDK/processor-sdk-u-boot from beagleboneai to processor-sdk-u-boot-2019.01

* commit 'e6ea6b09798409bf0576dd563af8b1409b7afd38':
  board: ti: beagleboneai: enable in am57xx_evm_defconfig
  board: ti: beagleboneai: add dts file
  board: ti: beagleboneai: IODELAY and pinmux changes
  board: ti: beagleboneai: add initial support
  board: ti: beagleboneai: emmc read changes