Add support for ST M25PX16 and mark it as supported

Tests were performed with write and verify operations to 4 different
M25PX16 chips with a Dediprog SF100.

Corresponding to flashrom svn r1270.

Signed-off-by: Carl Worth <carl.d.worth@intel.com>
Acked-by: Idwer Vollering <vidwer@gmail.com>

flashchips.c

@@ -6514,6 +6514,35 @@ struct flashchip flashchips[] = {
 		.read		= spi_chip_read,
 	},
 
+	{
+		.vendor		= "ST",
+		.name		= "M25PX16",
+		.bustype	= CHIP_BUSTYPE_SPI,
+		.manufacture_id	= ST_ID,
+		.model_id	= ST_M25PX16,
+		.total_size	= 2048,
+		.page_size	= 256,
+		.tested		= TEST_OK_PREW,
+		.probe		= probe_spi_rdid,
+		.probe_timing	= TIMING_ZERO,
+		.block_erasers	=
+		{
+			{
+				.eraseblocks = { { 4 * 1024, 512 } },
+				.block_erase = spi_block_erase_20,
+			}, {
+				.eraseblocks = { {64 * 1024, 32} },
+				.block_erase = spi_block_erase_d8,
+			}, {
+				.eraseblocks = { {2 * 1024 * 1024, 1} },
+				.block_erase = spi_block_erase_c7,
+			}
+		},
+		.unlock		= spi_disable_blockprotect,
+		.write		= spi_chip_write_256,
+		.read		= spi_chip_read,
+	},
+
 	{
 		.vendor		= "ST",
 		.name		= "M25PX32",

flashchips.h

@@ -533,6 +533,7 @@
 #define ST_M25P32		0x2016
 #define ST_M25P64		0x2017
 #define ST_M25P128		0x2018
+#define ST_M25PX16		0x7115
 #define ST_M25PX32		0x7116
 #define ST_M25PX64		0x7117
 #define ST_M25PE10		0x8011