* Fixes to support wolfBoot native make and gcc-arm cross compiler. ZD 18159
* Adjust wolfBoot linker script to not use 0 base, instead use end of DDR - 1MB.
* Fixed QSPI bare-metal driver for multi-sector and read return code.
* Fixed issue with Xilinx XMSS IMAGE_HEADER_SIZE in documentation. It should be 5000 bytes.
* Performance optimizations for QSPI:
- Allow configuration of SPI clock.
- Improve GSPI FIFO TX/RX fill.
* Added support for FAST_MEMCPY that supports an aligned 32-bit.
* Added Flattened uImage Tree (FIT) image (FDT format).
* Added Aarch64 support for FDT fixups.
* Added Aarch64 startup to support EL2 with cache/MMU.
* Added documentation about exception levels
* Moved zynqmp registers to header.
* Fix printf uart_writenum "buf" len.
* Updated fdt-parser to support saving off larger data images.
* Fixed PPC spin table based on ePAPR 1.1.
* Added flattened device tree (FDT) support. Setting required FDT fields per ePAPR 1.1.
* Added Frame Manager microcode upload.
* Fixed CPLD and setting QE clock.
* Added support for setting logical device numbers and updated device tree.
* Fixed QUICC Engine base address (was incorrect, should be 0x140000).
* Fixed "cpu-release-addr" to use 64-bit value.
* Added secondary cached boot page.
* Added L2 cache support to multi-core.
* Added flattened device tree parser tool for testing (`make fdt-parser` and `tools/fdt-parser/fdt-parser`).
* Added checks for FDT header.
* Added automated test case for NXP T1024 FDT.