Review queue

Open pull requests that are marked ready for review and have green CI, oldest first. Ordered by when each one first became reviewable — a PR that drops out and comes back keeps its place.

# Repo Pull request Author Waiting
1 embassy #6876 allow byte exchanging with xspi e-stm32 scd31 73d
2 embassy #7471 stm32/ucpd: fix races between CcPhy and PdPhy e-stm32 Finomnis 3d
3 embassy #7485 stm32/flash: U5: perform_bank_swap e-stm32 fbrozovic 2d
4 embassy #7502 stm32/ucpd: add split_idle_pd_phy with borrowed PD activation e-stm32 Finomnis 13h
5 embassy #7503 stm32/rcc u5: enable the backup SRAM clock in BackupMemory::new e-stm32 tobymurray 12h