[S] Change in flashrom[master]: meson: revert to meson version 0.53.0

[Thomas Heijligen (Code Review)]

Attention is currently required from: Thomas Heijligen, Edward O'Callaghan.

Hello build bot (Jenkins), Edward O'Callaghan, Anastasia Klimchuk, Alexander Goncharov,

I'd like you to reexamine a change. Please visit

https://review.coreboot.org/c/flashrom/+/73361

to look at the new patch set (#2).

Change subject: meson: revert to meson version 0.53.0
......................................................................

meson: revert to meson version 0.53.0

Debian Bullseye, current stable release, ships only with meson 0.56.2.
Pass arguments to `sphinx-doc` via `'-Dkey=value` instead of environment
variables to stay compatible with older meson version.

Change-Id: Iff9b8307c741a247a652cf666935c9485fa493fa
Signed-off-by: Thomas Heijligen 
---
M doc/conf.py
M doc/meson.build
M meson.build
3 files changed, 17 insertions(+), 6 deletions(-)

git pull ssh://review.coreboot.org:29418/flashrom refs/changes/61/73361/2