sysutils/lsof: Update to 4.94

• Update to 4.94.
• Update or remove patches that are included in upstream.
• Fix build with Clang 11 without setting 'CFLAGS+=-fcommon' in Makefile.
• Use new pwddesc structure if applicable.

Change Log: https://github.com/lsof-org/lsof/releases/tag/4.94.0

Submitted by: Yasuhiro Kimura <yasu@utahime.org>
PR: 251096
MFH: 2021Q1