multimedia/qmmp: Update to 0.10.10

[ultima]

Summary

• Updated to 0.10.10
• Cleanup Makefile
• Added license file

PR\: 221247
Submitted by\: SimaMoto,RyōTa (maintainer)
Reviewed by\: lifanov (mentor), matthew (mentor)
Approved by\: lifanov (mentor), matthew (mentor)
Differential Revision\: https://reviews.freebsd.org/DXXXXX

Test Plan

portlint:
WARN: Makefile: [23]: possible direct use of command "grep" found. use ${GREP} instead.
WARN: Makefile: possible use of absolute pathname "/pkgconfig".
WARN: Makefile: possible use of absolute pathname "/PLIST.doc/".
WARN: Makefile: for new port, make $FreeBSD$ tag in comment section empty, to make SVN happy.
0 fatal errors and 4 warnings found.

poudriere:
103i386
103amd64
110i386
110amd64
12i386
12amd64

[ultima]

• Added license file

[matthew]