common: Extend function pubkey_algo_string.

* common/sexputil.c (pubkey_algo_string): Add arg R_ALGOID.
* sm/certreqgen-ui.c (gpgsm_gencertreq_tty): Adjust.

(cherry picked from commit f952226043824cbbeb8517126b5266926121c4e8)

Removed the changes in gpg-card which is not part of 2.2

• Signed-off-by: Werner Koch <wk@gnupg.org>