ykman: update page; ykman-{config,fido,oath,openpgp}: add page (#11698)

pages/common/ykman-openpgp.md

@@ -0,0 +1,21 @@
+# ykman openpgp
+
+> Manage the OpenPGP YubiKey application.
+> Note: you need to use `gpg --card-edit` for some settings.
+> More information: <https://docs.yubico.com/software/yubikey/tools/ykman/OpenPGP_Commands.html>.
+
+- Display general information about the OpenPGP application:
+
+`ykman openpgp info`
+
+- Set the number of retry attempts for the User PIN, Reset Code, and Admin PIN, respectively:
+
+`ykman openpgp access set-retries {{3}} {{3}} {{3}}`
+
+- Change the User PIN, Reset Code or Admin PIN:
+
+`ykman openpgp access change-{{pin|reset-code|admin-pin}}`
+
+- Factory reset the OpenPGP application (you have to do this after exceeding the number of Admin PIN retry attempts):
+
+`ykman openpgp reset`