dm: disable ACPI PM timer

ACPI PM timer is disabled in FADT since there is no pm timer emulation
in device model now.

Tracked-On: #2962
Signed-off-by: Jian Jun Chen <jian.jun.chen@intel.com>
Acked-by: Yin Fengwei <fengwei.yin@intel.com>

Author: chejianj

devicemodel/hw/platform/acpi/acpi.c

@@ -374,7 +374,7 @@ basl_fwrite_fadt(FILE *fp, struct vmctx *ctx)
 	EFPRINTF(fp, "[0001]\t\tPM1 Event Block Length : 04\n");
 	EFPRINTF(fp, "[0001]\t\tPM1 Control Block Length : 02\n");
 	EFPRINTF(fp, "[0001]\t\tPM2 Control Block Length : 00\n");
-	EFPRINTF(fp, "[0001]\t\tPM Timer Block Length : 04\n");
+	EFPRINTF(fp, "[0001]\t\tPM Timer Block Length : 00\n");
 	EFPRINTF(fp, "[0001]\t\tGPE0 Block Length : 00\n");
 	EFPRINTF(fp, "[0001]\t\tGPE1 Block Length : 00\n");
 	EFPRINTF(fp, "[0001]\t\tGPE1 Base Offset : 00\n");

devicemodel/include/acpi.h

@@ -37,7 +37,7 @@
 
 #define	PM1A_EVT_ADDR		0x400
 
-#define	IO_PMTMR		0x408	/* 4-byte i/o port for the timer */
+#define	IO_PMTMR		0x0	/* PM Timer is disabled in ACPI */
 
 /* All dynamic table entry no. */
 #define NHLT_ENTRY_NO		8