drivers/spi/stmicro: Add N25Q064 support

N25Q064 is similar to N25Q128.

TEST=Build and booted twice on Minnowboard Max

Change-Id: Iec105f8b81f619846cf40b40042cc59150b81149
Signed-off-by: David Imhoff <dimhoff_devel@xs4all.nl>
Reviewed-on: http://review.coreboot.org/10076
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
diff --git a/src/drivers/spi/stmicro.c b/src/drivers/spi/stmicro.c
index 3cec0be..b67c072 100644
--- a/src/drivers/spi/stmicro.c
+++ b/src/drivers/spi/stmicro.c
@@ -58,6 +58,7 @@
 #define STM_ID_M25P80		0x2014
 #define STM_ID_M25P128		0x2018
 #define STM_ID_N25Q256A		0xba19
+#define STM_ID_N25Q064		0xbb17
 #define STM_ID_N25Q128		0xbb18
 
 struct stmicro_spi_flash_params {
@@ -147,6 +148,14 @@
 		.name = "M25P128",
 	},
 	{
+		.device_id = STM_ID_N25Q064,
+		.op_erase = CMD_M25PXX_SSE,
+		.page_size = 256,
+		.pages_per_sector = 16,
+		.nr_sectors = 2048,
+		.name = "N25Q064",
+	},
+	{
 		.device_id = STM_ID_N25Q128,
 		.op_erase = CMD_M25PXX_SSE,
 		.page_size = 256,