[ACTIVITY] report week ending 13 Jul

[Peter Maydell]

Progress:
* VIRT-65 [QEMU upstream maintainership]
+ tracked down and sent fix for bug in MPU handling of exception
frame unstacking that broke a Zephyr test case
+ sent some patches for minor GICv2 bugs
+ code review:
- large series adding virtualization support to GICv2
* VIRT-164 [improve Cortex-M emulation]
+ completed patchset that implements execution from small MPU regions
and MMIO regions, and sent it out for review
+ found and fixed a few bugs in the code I was modifying in the process

thanks
-- PMM