All files were converted to linux line endings.
All trailing whitespace was removed using:
for f in f7/inc/* f7/src/*; do sed --in-place 's/[[:space:]]\+$//' $f; done
All non-ascii chars in comments were replaced with ascii equivalents or
removed.

This compiles and links, but hasn't been tested on a board
yet and even if it was run, it doesn't currently do anything.

CMSIS V3.01 -> V3.20. Now in stm/cmsis to keep separate from ST
libraries.