Update fsp submodule pointer to Coffee Lake FSP 7.0.64.40
github commit:
59964173e1
Change-Id: I864404a03be63aa60e81db21af16d69cda2d4e12
Signed-off-by: Bora Guvendik <bora.guvendik@intel.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/33642
Reviewed-by: Lijian Zhao <lijian.zhao@intel.com>
Reviewed-by: Matt DeVillier <matt.devillier@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>