mb/google/nissa/var/pujjo: Configure EE noise mitigation for pujjo

- Enable Acoustic noise mitigation
- Set slow slew rate VCCIA and VCCGT to 8
- Set FastPkgCRampDisable VCCIA and VCCGT to 1
- Set pre-wake randomization time (DPA) to 100

BUG=b:241349500
TEST=build FW and checked fsp log.

Signed-off-by: Leo Chou <leo.chou@lcfc.corp-partner.google.com>
Change-Id: Id4a1540de8c3ee74695631acc8181dcc446fe137
Reviewed-on: https://review.coreboot.org/c/coreboot/+/66783
Reviewed-by: Reka Norman <rekanorman@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

src/mainboard/google/brya/variants/pujjo/overridetree.cb

@@ -22,6 +22,14 @@ fw_config
 end
 
 chip soc/intel/alderlake
+	# Acoustic settings
+	register "acoustic_noise_mitigation" = "1"
+	register "slow_slew_rate[VR_DOMAIN_IA]" = "SLEW_FAST_8"
+	register "slow_slew_rate[VR_DOMAIN_GT]" = "SLEW_FAST_8"
+	register "fast_pkg_c_ramp_disable[VR_DOMAIN_IA]" = "1"
+	register "fast_pkg_c_ramp_disable[VR_DOMAIN_GT]" = "1"
+	register "PreWake" = "100"
+
 	register "sagv" = "SaGv_Enabled"
 
 	# SOC Aux orientation override: