Gaëtan Harter 79280eb12e
boards/tools: remove exporting PREFLASH/FLASHDEPS
PREFLASHER/PREFFLAGS/FLASHDEPS are evaluated by the main Makefile.include.
Their value does not need to be exported.

Testing
-------

`git diff --word-diff` only reports `export` being removed.

`git show --stat` reports `16 insertions(+), 16 deletions(-)`
Which is the same amount as lines that where matching
`export[[:blank::]]\+VARIABLE` plus the newline that is said to have
changed.
2019-05-28 09:58:40 +02:00
..
2019-05-13 21:47:14 +02:00
2018-06-11 19:12:02 +02:00
2017-01-20 13:36:26 +01:00