loongarch64: update edk2-platforms tarball, add json firmware description

add loongarch64 sub-package

loongarch build config update

update build config

update build script

switch pcr predition to systemd-pcrlock format

update to edk2-stable202402

set PcdSetNxForStack = TRUE for strict nx builds

set PcdImageProtectionPolicy = 0x03 for strict nx builds

switch the strictnx build to qcow2 (like all other 4M builds)

add PcdUninstallMemAttrProtocol configuration

swap MemoryAttributeProtocol patch, again

update bundled openssl

swap MemoryAttributeProtocol patch

fix intel tdx firmware descriptor

update build config: 64bit pei, tdx sb