man: add --skip-mem-check to man pages

Document the --skip-mem-check flag in the ipa-server-install(1) and
ipa-replica-install(1) man pages.

Related: https://pagure.io/freeipa/issue/8404

Signed-off-by: Fraser Tweedale <frase@frase.id.au>
Reviewed-By: Florence Blanc-Renaud <flo@redhat.com>

install/tools/man/ipa-replica-install.1

@@ -98,6 +98,9 @@ Configure SSSD as data source for subid.
 \fB\-\-skip\-conncheck\fR
 Skip connection check to remote master
 .TP
+\fB\-\-skip\-mem\-check\fR
+Skip checking for minimum required memory
+.TP
 \fB\-d\fR, \fB\-\-debug
 Enable debug logging when more verbose output is needed
 .TP

install/tools/man/ipa-server-install.1

@@ -83,6 +83,9 @@ Do not configure OpenSSH server.
 \fB\-\-subid\fR
 Configure SSSD as data source for subid.
 .TP
+\fB\-\-skip\-mem\-check\fR
+Skip checking for minimum required memory
+.TP
 \fB\-d\fR, \fB\-\-debug\fR
 Enable debug logging when more verbose output is needed.
 .TP