meta-intel: add intel suffix to recipes

Add a suffix, "intel" to all common intel recipe changes.  The suffix is
defined in intel.inc, which is included already in the s2600wf machine
conf and likely any platform including meta-intel.

Signed-off-by: Patrick Venture <venture@google.com>
Change-Id: I8113e8eb494548f5f8fff9888a9ad2e1a086a942
diff --git a/conf/machine/include/intel.inc b/conf/machine/include/intel.inc
index db6b0c1..738d103 100644
--- a/conf/machine/include/intel.inc
+++ b/conf/machine/include/intel.inc
@@ -19,3 +19,5 @@
 PREFERRED_PROVIDER_virtual/obmc-inventory-data ?= "${VIRTUAL-RUNTIME_skeleton_workbook}"
 PREFERRED_PROVIDER_virtual/obmc-host-ipmi-hw = "phosphor-ipmi-kcs"
 #PREFERRED_PROVIDER_virtual/obmc-gpio-monitor ?= "phosphor-gpio-monitor"
+
+OVERRIDES .= ":intel"