[ACTIVITY] Week ending Friday 7th June

[LLVM-122] BTI and PAC support Committed the LLD work. Modulo bugs this should now be done.

[LLVM-542] LLVM/GCC code size investigation - Revisited my Zephy build with clang patches and updated so that it works with trunk. - Work out next steps of work. - Work out to build an embedded gcc toolchain using the linaro infrastructure.

[Misc] Reported bug in gold whereupon it would generate v4t veneers for v8-a CPUs

Still waiting for TK-1 board to finish building clang so that it can run the testsuite. Hopefully finished over the weekend.