meson.build: Rename conf object to config_manfile

The config data in the conf object is specific to the man file. Thus,
rename it accordingly and also move the declaration to the place where
it is used.

Change-Id: Icf24b9c47d4c7553f1ec045a9dfd3685b1376445
Signed-off-by: Felix Singer <felixsinger@posteo.net>
Original-Reviewed-on: https://review.coreboot.org/c/flashrom/+/70209
Original-Reviewed-by: Thomas Heijligen <src@posteo.de>
Reviewed-on: https://review.coreboot.org/c/flashrom-stable/+/72367
Reviewed-by: Nico Huber <nico.h@gmx.de>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
1 file changed