EmulatorPkg/EmulatorPkg.ci.yaml: Add configuration for Ecc check
Add configuration ExceptionList and IgnoreFiles for package config
files. So users can rely on this to ignore some Ecc issues.
Cc: Jordan Justen <jordan.l.justen@intel.com> Cc: Andrew Fish <afish@apple.com> Cc: Ray Ni <ray.ni@intel.com> Signed-off-by: Shenglei Zhang <shenglei.zhang@intel.com> Acked-by: Ray Ni <ray.ni@intel.com> Reviewed-by: Liming Gao <liming.gao@intel.com>