Add that passwords aren't implemented

doc/man1/rigctl.1

@@ -1491,6 +1491,7 @@ before sending the next command to the radio.
 .TP
 .BR password " \(aq" \fIPassword\fP \(aq
 Sends password to rigctld when rigctld has been secured with -A.  Must use the 32-char shared secret from rigctld.
+(NOT IMPLEMENTED)
 .
 .TP
 .BR set_lock_mode " \(aq" \fILocked\fP \(aq

doc/man1/rigctld.1

@@ -404,6 +404,7 @@ option as it generates no output on its own.
 Sets password on
 .B rigctld
 which requires hamlib to use rig_set_password and rigctl to use \\password to access rigctld.  A 32-char shared secret will be displayed to be used on the client side.
+(NOT IMPLEMENTED)
 .
 .TP
 .BR \-R ", " \-\-rigctld\-idle

tests/rigctld.c

@@ -1529,7 +1529,7 @@ void usage(void)
         "  -w, --twiddle_rit=SECONDS     suppress VFOB getfreq so RIT can be twiddled\n"
         "  -x, --uplink                  set uplink get_freq ignore, 1=Sub, 2=Main\n"
         "  -Z, --debug-time-stamps       enable time stamps for debug messages\n"
-        "  -A, --password=PASSWORD       set password for rigctld access\n"
+        "  -A, --password=PASSWORD       set password for rigctld access (NOT IMPLEMENTED)\n"
         "  -R, --rigctld-idle            make rigctld close the rig when no clients are connected\n"
         "  -h, --help                    display this help and exit\n"
         "  -V, --version                 output version information and exit\n\n",