sf: Add MICRON manufacturer id

NOR flash name MT35X_QLKA and MT25Q_** used on NXP board has
manufacturer id as 0x2C, which are rather for newer flashes
after the split of Micron from ST.

So macro for this micron manufacturer id.

Signed-off-by: Suresh Gupta <suresh.gupta@nxp.com>
Signed-off-by: Yogesh Gaur <yogeshnarayan.gaur@nxp.com>
Signed-off-by: Ashish Kumar <Ashish.Kumar@nxp.com>
[jagan: updated commit message]
Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>

drivers/mtd/spi/sf_internal.h

@@ -32,6 +32,7 @@ enum spi_nor_option_flags {
 /* CFI Manufacture ID's */
 #define SPI_FLASH_CFI_MFR_SPANSION	0x01
 #define SPI_FLASH_CFI_MFR_STMICRO	0x20
+#define SPI_FLASH_CFI_MFR_MICRON	0x2C
 #define SPI_FLASH_CFI_MFR_MACRONIX	0xc2
 #define SPI_FLASH_CFI_MFR_SST		0xbf
 #define SPI_FLASH_CFI_MFR_WINBOND	0xef

drivers/mtd/spi/spi_flash.c

@@ -1096,6 +1096,7 @@ static int set_quad_mode(struct spi_flash *flash,
 #endif
 #ifdef CONFIG_SPI_FLASH_STMICRO
 	case SPI_FLASH_CFI_MFR_STMICRO:
+	case SPI_FLASH_CFI_MFR_MICRON:
 		debug("SF: QEB is volatile for %02x flash\n", JEDEC_MFR(info));
 		return 0;
 #endif
@@ -1183,6 +1184,7 @@ int spi_flash_scan(struct spi_flash *flash)
 #if defined(CONFIG_SPI_FLASH_STMICRO) || defined(CONFIG_SPI_FLASH_SST)
 	/* NOR protection support for STmicro/Micron chips and similar */
 	if (JEDEC_MFR(info) == SPI_FLASH_CFI_MFR_STMICRO ||
+	    JEDEC_MFR(info) == SPI_FLASH_CFI_MFR_MICRON ||
 	    JEDEC_MFR(info) == SPI_FLASH_CFI_MFR_SST) {
 		flash->flash_lock = stm_lock;
 		flash->flash_unlock = stm_unlock;