[U-Boot] [U-Boot, v2, 2/3] ddr: vybrid: Provide code to perform on-boot calibration

[sbabic at denx.de]

> This patch provides the code to calibrate the DDR's
> DQS to DQ signals (RDLVL).
> It is based on:
> VFxxx Controller Reference Manual, Rev. 0, 10/2016, page 1600
> 10.1.6.16.4.1 "Software Read Leveling in MC Evaluation Mode"
> and NXP's community thread:
> "Vybrid: About DDR leveling feature on DDRMC."
> https://community.nxp.com/thread/395323
> Signed-off-by: Lukasz Majewski <lukma at denx.de>

Applied to u-boot-imx, master, thanks !

Best regards,
Stefano Babic

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