[FS#938] Netgear AC1200 (R6220): can boot snapshot but can't boot image built from master

[LEDE Bugs]

The following task is now closed:

FS#938 - Netgear AC1200 (R6220): can boot snapshot but can't boot image built from master
User who did this - Mathias Kresin (mkresin)

Reason for closing: Works for me
More information can be found at the following URL:
https://bugs.lede-project.org/index.php?do=details&task_id=938