Look at the Section 3.3.7 of NXP SDK 2.9-1703 documentation:
http://www.nxp.com/docs/en/supporting-information/QORIQ-SDK-2.0-IC-REV0.pdf
NPX offers SDK 1.9 for the P1020RDB board.
Use this command sequence for toolchain building and installing under SDK 1.9.
Have a great day,
Pavel Chubakov
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