Add a tester of OpenSSL config files and test the current .pragma

test/confdump.c reads an OpenSSL config file and prints out the
processed result. This can be used to check that a conf

Add a tester of OpenSSL config files and test the current .pragma

test/confdump.c reads an OpenSSL config file and prints out the
processed result. This can be used to check that a config file is
processed correctly.

We add a test recipe and the necessary data to test the dollarid
pragma.

Reviewed-by: Matt Caswell <matt@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/8882)

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