sf: Add CONFIG_SPI_FLASH_USE_4K_SECTORS in spi_flash

Add CONFIG_SPI_FLASH_USE_4K_SECTORS in spi_flash code from header file.

Cc: Simon Glass <sjg@chromium.org>
Cc: Bin Meng <bmeng.cn@gmail.com>
Cc: Michal Simek <michal.simek@xilinx.com>
Cc: Siva Durga Prasad Paladugu <sivadur@xilinx.com>
Cc: Vignesh R <vigneshr@ti.com>
Cc: Mugunthan V N <mugunthanvnm@ti.com>
Signed-off-by: Jagan Teki <jteki@openedev.com>

drivers/mtd/spi/sf_internal.h

@@ -22,11 +22,7 @@ enum spi_dual_flash {
 
 /* sf param flags */
 enum {
-#ifndef CONFIG_SPI_FLASH_USE_4K_SECTORS
-	SECT_4K		= 0,
-#else
 	SECT_4K		= BIT(0),
-#endif
 	E_FSR		= BIT(1),
 	SST_WR		= BIT(2),
 	WR_QPP		= BIT(3),

drivers/mtd/spi/spi_flash.c

@@ -1155,11 +1155,14 @@ int spi_flash_scan(struct spi_flash *flash)
 		flash->size <<= 1;
 #endif
 
+#ifdef CONFIG_SPI_FLASH_USE_4K_SECTORS
 	/* Compute erase sector and command */
 	if (params->flags & SECT_4K) {
 		flash->erase_cmd = CMD_ERASE_4K;
 		flash->erase_size = 4096 << flash->shift;
-	} else {
+	} else
+#endif
+	{
 		flash->erase_cmd = CMD_ERASE_64K;
 		flash->erase_size = flash->sector_size;
 	}