[FS#542] ipq806x: unable to boot linux-4.9.10 uboot seeing Bad Magic Number

[LEDE Bugs]

The following task has a new comment added:

FS#542 - ipq806x: unable to boot linux-4.9.10 uboot seeing Bad Magic Number
User who did this - dissent1 (dissent1)

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Current lede k4.9 has incorrect nand DT setup, its lacking
https://github.com/dissent1/r7800/commit/d8e127f1da0409de83b9d7973451cd7f681e063c
https://github.com/dissent1/r7800/commit/3464973e2977ea28747095ab17e3fa609885d704
https://github.com/dissent1/r7800/commit/a2d8a5b60561db1cd0bc0dd8c07f05452f7e6240

Could you please build off my tree and provide a bootlog?
https://github.com/dissent1/r7800/tree/bl49-2
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More information can be found at the following URL:
https://bugs.lede-project.org/index.php?do=details&task_id=542#comment1905