imx6ull: boot from qspi nor flash

[badochov]

JIRA: RTOS-398

Description

Adjust to booting from nor flash

Motivation and Context

imx6ull lacks support for starting from flash. Adding this support moves plo ivt to 0x1000.

Types of changes

• [ ] Bug fix (non-breaking change which fixes an issue)
• [x] New feature (non-breaking change which adds functionality)
• [ ] Breaking change (fix or feature that would cause existing functionality to change)

How Has This Been Tested?

• [ ] Already covered by automatic testing.
• [ ] New test added: (add PR link here).
• [x] Tested by hand on: imx6ull.

Checklist:

• [ ] My change requires a change to the documentation.
• [ ] I have updated the documentation accordingly.
• [ ] I have added tests to cover my changes.
• [x] All new and existing linter checks and tests passed.
• [x] My changes generate no new compilation warnings for any of the targets.

Special treatment

• [x] This PR needs additional PRs to work: https://github.com/phoenix-rtos/plo/pull/236
• [ ] I will merge this PR by myself when appropriate.

[nalajcie]

I think sdp scripts for booting from NAND should not be removed in this PR (they are perfectly usable in DTR project)

[badochov]

I think sdp scripts for booting from NAND should not be removed in this PR (they are perfectly usable in DTR project)

I thought they are redundant as DTR already has them copied in separate folder, but I'll restore them as you like it

[nalajcie]

I think sdp scripts for booting from NAND should not be removed in this PR (they are perfectly usable in DTR project)

I thought they are redundant as DTR already has them copied in separate folder, but I'll restore them as you like it

• there is no equivalent of imx6ull-flash.sdp (flashing all partitions) and imx6ull-ram.sdp
• still, DTR is a private project, I think the scripts should remain in Open Source as a reference regardless of it's state

[agkaminski]

@badochov Yeah, lets keep 'em