AMD Parmer: Remove warning.

Change-Id: I4ba2d480fa6df5ee741d887d26524b32c1901d73
Signed-off-by: Zheng Bao <zheng.bao@amd.com>
Signed-off-by: zbao <fishbaozi@gmail.com>
Reviewed-on: http://review.coreboot.org/1399
Tested-by: build bot (Jenkins)
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
diff --git a/src/mainboard/amd/parmer/acpi_tables.c b/src/mainboard/amd/parmer/acpi_tables.c
index c699d5b..0a64535 100644
--- a/src/mainboard/amd/parmer/acpi_tables.c
+++ b/src/mainboard/amd/parmer/acpi_tables.c
@@ -76,7 +76,7 @@
 	/* 5 mean: 0101 --> Edige-triggered, Active high */
 
 	/* create all subtables for processors */
-	current += acpi_create_madt_lapic_nmi(current, 0xff, 5, 1);
+	current += acpi_create_madt_lapic_nmi((acpi_madt_lapic_nmi_t *)current, 0xff, 5, 1);
 	/* 1: LINT1 connect to NMI */
 
 	return current;