T2 Linux 21.5 "Because we can" for 18 architectures

The T2 System Development Environment Linux 21.5 was released with 18 pre-and cross-compiled architectures. "The 21.5 release received updatesacross the board, while a major point of work was the GCC 11 update as wellas re-basing and fixing upstream regressions for the Sony PS3 support aswell as various small improvements, including an up to 15 seconds fastersystem shutdown when using sysvinit."