doc: doxygen: use full path for USE_MDFFILE_AS_MAINPAGE

Otherwise some recent Doxygen versions (1.11.0) generate a warning.

Signed-off-by: Gerard Marull-Paretas <gerard@teslabs.com>
This commit is contained in:
Gerard Marull-Paretas 2024-07-16 15:02:27 +02:00 committed by Anas Nashif
commit 5bf395ba70

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@ -1105,7 +1105,7 @@ FILTER_SOURCE_PATTERNS =
# (index.html). This can be useful if you have a project on for instance GitHub
# and want to reuse the introduction page also for the doxygen output.
USE_MDFILE_AS_MAINPAGE = mainpage.md
USE_MDFILE_AS_MAINPAGE = @ZEPHYR_BASE@/doc/_doxygen/mainpage.md
# The Fortran standard specifies that for fixed formatted Fortran code all
# characters from position 72 are to be considered as comment. A common