This patch updates Elkhart Lake code to use the common eSPI header
file(`intelpch/espi.h`) instead of the SoC-specific one.
BUG=none
TEST=Builds successfully for Intel Elkhartlake platform.
Change-Id: Iaef308ad1c8ecfb11448e75f39285a2170bbc49c
Signed-off-by: Subrata Banik <subratabanik@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/83485
Reviewed-by: Eric Lai <ericllai@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
651428b984