fix(intel): add flash dcache after return response for INTEL_SIP_SMC_MBOX_SEND_CMD

This patch is to add flash dcache after return
response in INTEL_SIP_SMC_MBOX_SEND_CMD.

Signed-off-by: Sieu Mun Tang <sieu.mun.tang@intel.com>
Change-Id: Ie9451e352f2b7c41ebb44a1f6be9da35f4600fb9
1 file changed