meta-openembedded: refresh 2bb21ef27c..8760facba1

Update meta-openembedded to sumo HEAD.

Armin Kuster (4):
      boinc: refresh patches
      postgresql: update to 9.4.20
      sblim-sfc-common: use official SPDX license for EPL
      wireshark: 2.4.8 src moved to all-versions

Gregory Vimont (1):
      tbb: check the version of the cross gcc instead of host gcc

Leon Anavi (1):
      rygel: Update license to LGPLv2.1

Richard Purdie (1):
      xmlstarlet: Disable PARALLEL_MAKE (again)

Change-Id: I3e00f68cb7c8c54c2457003d26da8992b1a953c3
Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>
diff --git a/meta-openembedded/meta-oe/recipes-support/xmlstarlet/xmlstarlet_1.6.1.bb b/meta-openembedded/meta-oe/recipes-support/xmlstarlet/xmlstarlet_1.6.1.bb
index e3d52e6..e28fd61 100644
--- a/meta-openembedded/meta-oe/recipes-support/xmlstarlet/xmlstarlet_1.6.1.bb
+++ b/meta-openembedded/meta-oe/recipes-support/xmlstarlet/xmlstarlet_1.6.1.bb
@@ -24,3 +24,8 @@
 EXTRA_OECONF="--disable-build-docs \
   --with-libxml-prefix=${STAGING_LIBDIR}/.. \
   --with-libxslt-prefix=${STAGING_LIBDIR}/.."
+
+# http://errors.yoctoproject.org/Errors/Details/157121/
+# /bin/bash: src/usage.c: No such file or directory
+# Makefile:2121: recipe for target 'src/usage.c' failed
+PARALLEL_MAKE = ""