[ACTIVITY] report week ending 20 Jul

[Peter Maydell]

Progress:
* VIRT-65 [QEMU upstream maintainership]
+ code review
- another pass of the GICv2 virt support
- IMX6UL SoC support
- more patches for v6M support in core and NVIC
- PMU emulation improvements
+ rolled another 3.0 release candidate
* VIRT-164 [improve Cortex-M emulation]
+ implemented and sent a patchset for doing tailchaining of pending
exceptions during exception return

thanks
-- PMM