tracecmd: update to v3.2

tracecmd: update to v3.2

ChangeLog:
46952ef trace-cmd: Version 3.2
f5871a1 libtracecmd: Version 1.4.0
d498af1 trace-cmd build: Add trace-attach.c to meson build
736df06 trace-cmd: Add initial support for meson
e183566 libtracecmd: Add initial support for meson
c508713 trace-cmd test: Quiet valgrind from reporting forked children
8ec026f trace-cmd test: Close handle after opening
4c179a6 trace-cmd library: Fix memory leaks of followers
aa21520 trace-cmd: Add Makefile target for memory test
925e15f trace-cmd and library: Update the version to the development
4fa31c0 trace-cmd attach: Add new command "attach"
7e721ef trace-cmd library: Add tracecmd_get_tsc2nsec() API
8908555 tracecmd library: Unlock records in tracecmd_iterate_events()
2668b13 trace-cmd agent: Add "IP" to -N argument in help message
22ad81e trace-cmd record: Remove redundant check of instance in allocate_instance()
d7ce897 libtracecmd: Free buf_from in error path of tracecmd_compress_copy_from()
6776d7a trace-cmd: Update v7 trace.dat documentation to clarify the strings section
9d6f3ba trace-cmd record/extract: Do not destroy existing instances
9c9d5ed trace-cmd extract: Do not extract top level unless told to
4b92132 libtracecmd: Fix tracecmd_compress_copy_from() write size return
f30abfd documentation: trace-cmd-report: Document filter scope
7a390c5 trace-cmd-report: Support global filters
04ad2c6 trace-cmd report: Ensure filter is applied to single input file
edf9424 trace-cmd: Open code execvp routine to avoid multiple execve syscalls

Signed-off-by: Nick Hainke <vincent@systemli.org>