[FREELDR] Update ACPI (Extended Attributes) support in PcMemGetBiosMemoryMap()
CORE-13332
* PcMemGetBiosMemoryMap(): Add Extended Attributes set and check for entry validity and default handling of unexpected case.
* pcbios.h: Rename superceded BIOS_MEMORY_MAP.Reserved. Adapt existing code to new ACPI 6.2-A definitions.
* pcbios.h: Update BIOS_MEMORY_TYPE and BIOS_MEMORY_MAP to ACPI 6.2-A from 1.0+.
* PcMemGetBiosMemoryMap(): Misc fixes, no functional changes.
*Create PcMemCheckUsableMemorySize(), to split unrelated code out.
*Fix a copypasta in 2 output strings from ba9a1c3abb.
*Improve output readability of TRACE("ECX ...", ...).
*Move a TRACE("\n").
*Improve code style a bit.
- We use this as a chance to also update the CMake file in terms of consistency.
- The clang-cl build applies the /Os flag on all the source files that are now using the PCH too.
Cast MAX_BIOS_DESCRIPTORS to explicit ULONG from implicit int.
Comment/Add checks for PcMemoryMap/PcBiosMemoryMap arrays being full and bare handling of error cases.
