xenalyze: add to tools/xentrace/

xenalyze: add to tools/xentrace/

This merges xenalyze.hg, changeset 150:24308507be1d,
into tools/xentrace/xenalyze.c to have the tool and
public/trace.h in one place.

Adjust code to use public/trace.h instead of private trace.h

Signed-off-by: Olaf Hering <olaf@aepfle.de>
Acked-by: Wei Liu <wei.liu2@citrix.com>
Acked-by: George Dunlap <george.dunlap@eu.citrix.com>
Cc: Ian Jackson <ian.jackson@eu.citrix.com>
Cc: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Cc: Ian Campbell <ian.campbell@citrix.com>
Cc: Wei Liu <wei.liu2@citrix.com>
[ ijc -- wrap $(BIN) install in a check in case it is empty (which it
	 is on !x86, avoid BIN += since it results in BIN = ' ' on
         !x86 ]