tcprtt-manpage: Add missing options (-p, -P, -a, -A)  in the SYNOPSIS section of the 'tcprtt' man page
.SH NAME
tcprtt \- Trace TCP RTT of established connections. Uses Linux eBPF/bcc.
.SH SYNOPSIS
-.B tcprtt [\-h] [\-T] [\-D] [\-m] [\-i INTERVAL] [\-d DURATION] [\-b] [\-B] [\-e] [\-4 | \-6]
+.B tcprtt [\-h] [\-T] [\-D] [\-m] [\-p LPORT] [\-P RPORT] [\-a LADDR] [\-A RADDR] [\-i INTERVAL] [\-d DURATION] [\-b] [\-B] [\-e] [\-4 | \-6]
.SH DESCRIPTION
This tool traces established connections RTT(round-trip time) to analyze the
quality of network. This can be useful for general troubleshooting to
