tree: Use boolean for dmi_power_optimize_disable

Change-Id: Ifbe76bd69d847603345a4a1fa4f41e529634fa92
Signed-off-by: Elyes Haouas <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/84158
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

src/mainboard/msi/ms7d25/devicetree.cb

@@ -83,7 +83,7 @@ chip soc/intel/alderlake
 	}"
 
 	register "hybrid_storage_mode" = "true"
-	register "dmi_power_optimize_disable" = "1"
+	register "dmi_power_optimize_disable" = "true"
 
 	# FIVR configuration
 	register "fivr_rfi_frequency" = "1394"

src/mainboard/msi/ms7e06/devicetree.cb

@@ -13,7 +13,7 @@ chip soc/intel/alderlake
 	register "pmc_gpe0_dw2" = "GPD"
 
 	register "hybrid_storage_mode" = "true"
-	register "dmi_power_optimize_disable" = "1"
+	register "dmi_power_optimize_disable" = "true"
 
 	# FIVR configuration
 	register "fivr_rfi_frequency" = "1394"

src/soc/intel/alderlake/chip.h

@@ -584,8 +584,8 @@ struct soc_intel_alderlake_config {
 	uint8_t cpu_ratio_override;
 
 	/*
-	 * Enable(0)/Disable(1) DMI Power Optimizer on PCH side.
-	 * Default 0. Setting this to 1 disables the DMI Power Optimizer.
+	 * Enable/Disable DMI Power Optimizer on PCH side.
+	 * Default is "false".
 	 */
 	bool dmi_power_optimize_disable;