Split nimbus and cumulus find API away from generic

Helps ease porting for p10 by removing chip specific
code and targets that doesn't exit in p10 master

Change-Id: I986070c358d9513b8b89c7d10c27418cd0d43e70
Original-Change-Id: Iaae2dc44f48d208bcf6b80e9555f7cfec060b390
Reviewed-on: http://rchgit01.rchland.ibm.com/gerrit1/80607
Tested-by: FSP CI Jenkins <fsp-CI-jenkins+hostboot@us.ibm.com>
Tested-by: Jenkins Server <pfd-jenkins+hostboot@us.ibm.com>
Reviewed-by: STEPHEN GLANCY <sglancy@us.ibm.com>
Tested-by: Hostboot CI <hostboot-ci+hostboot@us.ibm.com>
Tested-by: HWSV CI <hwsv-ci+hostboot@us.ibm.com>
Reviewed-by: Mark Pizzutillo <mark.pizzutillo@ibm.com>
Dev-Ready: ANDRE A MARIN <aamarin@us.ibm.com>
Reviewed-by: Jennifer A Stofer <stofer@us.ibm.com>
Reviewed-on: http://rchgit01.rchland.ibm.com/gerrit1/82439
Tested-by: Jenkins OP Build CI <op-jenkins+hostboot@us.ibm.com>
Tested-by: Jenkins OP HW <op-hw-jenkins+hostboot@us.ibm.com>
Reviewed-by: Daniel M Crowell <dcrowell@us.ibm.com>

src/import/chips/p9/procedures/hwp/memory/lib/mc/mc.C

@@ -38,7 +38,7 @@
 #include <lib/shared/nimbus_defaults.H>
 #include <generic/memory/lib/utils/dump_regs.H>
 #include <lib/mc/mc.H>
-#include <generic/memory/lib/utils/find.H>
+#include <lib/utils/nimbus_find.H>
 
 using fapi2::TARGET_TYPE_MCA;
 using fapi2::TARGET_TYPE_MCS;