dm: sf: Save flash flags to struct spi_flash

Add a new member 'flags' in struct spi_flash to store the flash flags
during spi_flash_validate_params().

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Jagannadha Sutradharudu Teki <jagannadh.teki@gmail.com>
diff --git a/drivers/mtd/spi/sf_probe.c b/drivers/mtd/spi/sf_probe.c
index de8d0b7..d8ab6a1 100644
--- a/drivers/mtd/spi/sf_probe.c
+++ b/drivers/mtd/spi/sf_probe.c
@@ -132,6 +132,9 @@
 	flash->name = params->name;
 	flash->memory_map = spi->memory_map;
 	flash->dual_flash = flash->spi->option;
+#ifdef CONFIG_DM_SPI_FLASH
+	flash->flags = params->flags;
+#endif
 
 	/* Assign spi_flash ops */
 #ifndef CONFIG_DM_SPI_FLASH
diff --git a/include/spi_flash.h b/include/spi_flash.h
index 4791b94..f2814ef 100644
--- a/include/spi_flash.h
+++ b/include/spi_flash.h
@@ -65,6 +65,7 @@
 	struct spi_slave *spi;
 #ifdef CONFIG_DM_SPI_FLASH
 	struct udevice *dev;
+	u16 flags;
 #endif
 	const char *name;
 	u8 dual_flash;