drivers mtd: spi-nor: add Winbond W25Q20 variants

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Gitweb:     http://git.infradead.org/?p=mtd-2.6.git;a=commit;h=34fc99dbf32d8cca7a2c6b85949bc3433767a113
Commit:     34fc99dbf32d8cca7a2c6b85949bc3433767a113
Parent:     193fb3c1127d0c0fbc5c5a6ba63a99083b775ffd
Author:     Alexander Kurz <akurz at blala.de>
AuthorDate: Sat Mar 11 20:01:04 2017 +0100
Committer:  Cyrille Pitchen <cyrille.pitchen at atmel.com>
CommitDate: Wed Mar 22 22:04:34 2017 +0100

    drivers mtd: spi-nor: add Winbond W25Q20 variants
    
    Winbond W25Q20BW devices are used in 4/5th generation Kindle ebook readers.
    Add this spi-nor device and the similar W25Q20 devices to the list of known
    devices.
    
    Signed-off-by: Alexander Kurz <akurz at blala.de>
    Signed-off-by: Cyrille Pitchen <cyrille.pitchen at atmel.com>
---
 drivers/mtd/spi-nor/spi-nor.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/mtd/spi-nor/spi-nor.c b/drivers/mtd/spi-nor/spi-nor.c
index 32d1849..619b245 100644
--- a/drivers/mtd/spi-nor/spi-nor.c
+++ b/drivers/mtd/spi-nor/spi-nor.c
@@ -1131,6 +1131,9 @@ static const struct flash_info spi_nor_ids[] = {
 	{ "w25x80", INFO(0xef3014, 0, 64 * 1024,  16, SECT_4K) },
 	{ "w25x16", INFO(0xef3015, 0, 64 * 1024,  32, SECT_4K) },
 	{ "w25x32", INFO(0xef3016, 0, 64 * 1024,  64, SECT_4K) },
+	{ "w25q20cl", INFO(0xef4012, 0, 64 * 1024,  4, SECT_4K) },
+	{ "w25q20bw", INFO(0xef5012, 0, 64 * 1024,  4, SECT_4K) },
+	{ "w25q20ew", INFO(0xef6012, 0, 64 * 1024,  4, SECT_4K) },
 	{ "w25q32", INFO(0xef4016, 0, 64 * 1024,  64, SECT_4K) },
 	{
 		"w25q32dw", INFO(0xef6016, 0, 64 * 1024,  64,