Hi Biser,
R68 and R472 are the ones to be used for Standalone base board booting as per below topic,
http://e2e.ti.com/support/arm/sitara_arm/f/791/p/217858/767501.aspx#767501
How it could resolve this NOR flash(Daughter board) support issue.
Please confirm any u-boot changes required.
Regrds
Sithick H