update submodules

* libphoenix d5ee714...ffca1e6 (1):
  > arch/sparcv8leon3: name union in platformctl_t

* phoenix-rtos-devices 1fb7f56...b8885c5 (2):
  > grlib drivers: name union in platformctl_t
  > storage: Fix meterfs usage, add missing set of keyInit field

* phoenix-rtos-doc 5c93577...46b7ea9 (27):
  > update README.md
  > correct code blocks
  > markdownlint: enable back MD046
  > markdownlint: disable MD046
  > markdownlint: allow <nobr> inline html elements
  > sphinx: hide highlight-link in searchtree
  > sphinx: reorganize orphan files
  > sphinx: change included file with real one in index.md
  > sphinx: add border to docutils table
  > sphinx: change color on hover of copy button
  > sphinx: change mobile-header style
  > sphinx: adjust window resizing layout
  > sphinx: make functions pages scroll
  > sphinx: align table headers to the left
  > sphinx: adjust article look
  > sphinx: add breadcrumbs
  > sphinx: add files needed for breadcrumbs
  > sphinx: hide right-hand side toc
  > sphinx: add new sidebar style
  > sphinx: adjust searchbox
  > sphinx: add logo
  > sphinx: sidebar layout changes
  > sphinx: center all images
  > sphinx: decrease text size
  > sphinx: add Open Sans font
  > sphinx: disable dark mode
  > sphinx: introduce sphinx into docs

* phoenix-rtos-kernel 69bcce0...d50d1c3 (3):
  > sparcv8leon3: name union in platformctl_t
  > armv7m/pmap: Add missing spinlock
  > kernel/proc: Move copying of resources to `process_vforkThread`

* phoenix-rtos-tests c28bc0c...022f090 (1):
  > test-grlib-multi: name union in platformctl_t

* phoenix-rtos-utils 75d13b6...1c234da (1):
  > cm4-tool: send path with terminating '\0'