intel arria10 boot from qspi: linux-socfpga_6.6.bb:do_compile) failed with exit code '1'

Hi all, using these guidelines in Arria 10 SoC - Boot from QSPI section in the following link: https://www.rocketboards.org/foswiki/Documentation/BuildingBootloaderCycloneVAndArria10#Arria_10_SoC...