QuarkSocPkg: QNCInit/Dxe: remove set but unused variables
QuarkSocPkg: QNCInit/Dxe: remove set but unused variables

This patch also eliminates a PCI config space access, but that should be
fine.

Cc: Michael D Kinney <fd20bc543a9f65bb633fac7d08a403c1f1c8eb6c@intel.com>
Cc: Kelly Steele <fbcf235ba511603df821f72dd5b7e4b6e5618ca9@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Laszlo Ersek <7437296077edea1cb64451c122c4dac071f0cfbc@redhat.com>
Reviewed-by: Jordan Justen <a79006884ba9cf5f4f7fcbb92a15b208780d8c97@intel.com>
Reviewed-by: Jeff Fan <7d6fed0251a47076d6e691789131f22f07d057b4@intel.com>

MattDevo/edk2,MattDevo/edk2,MattDevo/edk2,MattDevo/edk2,MattDevo/edk2,MattDevo/edk2,MattDevo/edk2,MattDevo/edk2