ata_piix: Add Toshiba Satellite R20 and Tecra M6 to broken suspend list.

Add Toshiba Satellite R20 and Tecra M6 to broken suspend list.  Matt
Piermarini reported and provided the M6 patch.  This is from OSDL bug 7780.

Signed-off-by: Peter Schwenke <peter@bluetoad.com.au>
Cc: Matt Piermarini <mattpiermarini@yahoo.com>
Acked-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
diff --git a/drivers/ata/ata_piix.c b/drivers/ata/ata_piix.c
index b406b39..0d8bd19 100644
--- a/drivers/ata/ata_piix.c
+++ b/drivers/ata/ata_piix.c
@@ -1034,6 +1034,13 @@
 			},
 		},
 		{
+			.ident = "TECRA M6",
+			.matches = {
+				DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
+				DMI_MATCH(DMI_PRODUCT_NAME, "TECRA M6"),
+			},
+		},
+		{
 			.ident = "TECRA M7",
 			.matches = {
 				DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
@@ -1048,6 +1055,13 @@
 			},
 		},
 		{
+			.ident = "Satellite R20",
+			.matches = {
+				DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
+				DMI_MATCH(DMI_PRODUCT_NAME, "Satellite R20"),
+			},
+		},
+		{
 			.ident = "Satellite R25",
 			.matches = {
 				DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),