This reverts commit b1952dc259 as it's
causing issues on the buildbot which uses some kind of ccache wrapper
and so the breakage needs to be investigated further:
bash: cmake: command not found
time: tools/ccache/compile#0.05#0.03#0.15
ERROR: tools/ccache failed to build.
Signed-off-by: Petr Štetiar <ynezz@true.cz>
67790f5695