yocto/fvp-rd-n2-automotive: Remove min-sync-latency and quantum from FVP args

To improve the overall FVP performance, remove the "--min-sync-latency=0
--quantum=400" settings from FVP_EXTRA_ARGS variable.

Issue-Id: SCM-5314
Signed-off-by: Diego Sueiro <diego.sueiro@arm.com>
Change-Id: Ifc0d035f86132cbbf1548a0f17ed196aa76f98e5