uboot-phytec

Merge https://gitlab.denx.de/u-boot/custodians/u-boot-ubi

[trini: Migrate sama5d27_som1_ek_qspiflash/sama5d2_xplained_qspiflash
        for CONFIG_ENV_SECT_SIZE]
Signed-off-by: Tom Rini <trini@konsulko.com>