tracing/boot: Include required headers and sort it alphabetically

Include some required (but currently indirectly included)
headers and sort it alphabetically.

Link: http://lkml.kernel.org/r/158029059514.12381.6597832266860248781.stgit@devnote2

Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
This commit is contained in:
Masami Hiramatsu 2020-01-29 18:36:35 +09:00 • committed by Steven Rostedt (VMware)
commit 76a598ec8c