Fixes for NXP T1024 with Integrity OS

[dgarske]

Fixes and improvements to get Integrity OS booting on NXP T1024:

• Added additional FDT fixups for FMAN, SDHC, Ethernet, PCI.
• Added NXP T1024 mEMAC, MDIO and PHY setup.
• Pulled in latest PCI code from TigerLake efforts
• Added PCI init and enumeration
• Added MRAM init
• Fixed issue with CPLD due to incorrect AMASK (also in T2080 port)
• Fix for CPU core clock calculation.

[dgarske]

@danielinux this is a good state to merge. Fixes some bugs and adds features. I expect another to eventually to resolve a few outstanding issues.