plugins: disable lockstep plugin on windows

The lockstep plugin uses unix sockets and would require a different
communication mechanism to work on Windows.

Signed-off-by: Greg Manning <gmanning@rapitasystems.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20231102172053.17692-4-gmanning@rapitasystems.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20231106185112.2755262-16-alex.bennee@linaro.org>

contrib/plugins/Makefile

diff --git a/contrib/plugins/Makefile b/contrib/plugins/Makefile
index 751fa38..1783750 100644
--- a/contrib/plugins/Makefile
+++ b/contrib/plugins/Makefile
@@ -17,7 +17,13 @@
 NAMES += hotblocks
 NAMES += hotpages
 NAMES += howvec
+
+# The lockstep example communicates using unix sockets,
+# and can't be easily made to work on windows.
+ifneq ($(CONFIG_WIN32),y)
 NAMES += lockstep
+endif
+
 NAMES += hwprofile
 NAMES += cache
 NAMES += drcov