soc/intel/apollolake/bootblock: Clear the GPI IS & IE registers
Clear the GPI Interrupt Status & Enable registers to prevent any
interrupt storms due to GPI.
BUG=b:
130593883
BRANCH=octopus
TEST=Ensure that the Interrupt status & enable registers are reset
during the boot up when the system is brought out of G3, S5 & S3. Ensure
that the system boots fine to ChromeOS.
Change-Id: Ia3b9d3bf08472219348e20b53bae470c589039fb
Signed-off-by: Karthikeyan Ramasubramanian <kramasub@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/32448
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>