Merge changes from topic "tegra-downstream-08252020" into integration

* changes:
  Tegra194: remove unused tegra_mc_defs header
  Tegra: memctrl: platform setup handler functions
  Tegra194: memctrl: remove streamid security cfg registers
  Tegra194: memctrl: remove streamid override cfg registers
  Tegra: debug prints indicating SC7 entry sequence completion
  Tegra194: add strict checking mode verification
  Tegra194: memctrl: update TZDRAM base at 1MB granularity
  Tegra194: ras: split up RAS error clear SMC call.
  Tegra: platform specific GIC sources
  Tegra194: add memory barriers during DRAM to SysRAM copy
  Tegra: sip: add VPR resize enabled check
  Tegra194: add redundancy checks for MMIO writes
  Tegra: remove unused cortex_a53.h
  Tegra194: report failure to enable dual execution
  Tegra194: verify firewall settings before resource use