Disable OMI deconfig tests

These tests cannot run as part of the standard test suite as they
disrupt targeting expectations from other tests that are running
in parallel. Currently we are seeing other tests cases that use the
OMI/OCMB targets to fail intermittently because targets are missing.

Change-Id: Id152e6f571465fee22bae5789eb9a92643738d4b
Reviewed-on: http://rchgit01.rchland.ibm.com/gerrit1/84250
Tested-by: Jenkins Server <pfd-jenkins+hostboot@us.ibm.com>
Reviewed-by: Matt Derksen <mderkse1@us.ibm.com>
Reviewed-by: Glenn Miles <milesg@ibm.com>
Tested-by: Jenkins OP Build CI <op-jenkins+hostboot@us.ibm.com>
Tested-by: Jenkins OP HW <op-hw-jenkins+hostboot@us.ibm.com>
Tested-by: FSP CI Jenkins <fsp-CI-jenkins+hostboot@us.ibm.com>
Reviewed-by: Roland Veloz <rveloz@us.ibm.com>
Reviewed-by: Daniel M Crowell <dcrowell@us.ibm.com>

src/usr/hwas/test/hwasGardTest.H

@@ -51,7 +51,7 @@
 #define DISABLE_EX_UNIT_TESTS     1
 //$$#define DISABLE_UNIT_TESTS        0
 
-#define DISABLE_OMI_UNIT_TESTS    0
+#define DISABLE_OMI_UNIT_TESTS    1 
 
 #if DISABLE_OMI_UNIT_TESTS
 #define ENABLE_OMI_UNIT_TEST_1    0