Overwrite a kltexx dingleberry from full_klte.mk

Change-Id: I876528dfa15aabad806e3762d52529ed05217817
@DHO no rule to make target? agreed. :-P

Change-Id: I0e2db5b49d3991a62666771a807cce61ccbb8bac
My changes
Build vendor/qcom/opt prebuilts for WITH_QC_PERF