spi: Rename SPI_TX_BP|QPP to SPI_TX_BYTE|QUAD

Since SPI_TX_* are spi_slave{} members so use spi protocol
notation instead spi flash programming, like

SPI_TX_BP  => SPI_TX_BYTE
SPI_TX_QPP => SPI_TX_QUAD

Cc: Simon Glass <sjg@chromium.org>
Tested-by: Jagan Teki <jteki@openedev.com>
Tested-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Signed-off-by: Jagan Teki <jteki@openedev.com>

drivers/mtd/spi/sf_probe.c

@@ -128,7 +128,7 @@ static int spi_flash_std_write(struct udevice *dev, u32 offset, size_t len,
 
 #if defined(CONFIG_SPI_FLASH_SST)
 	if (flash->flags & SNOR_F_SST_WR) {
-		if (flash->spi->mode & SPI_TX_BP)
+		if (flash->spi->mode & SPI_TX_BYTE)
 			return sst_write_bp(flash, offset, len, buf);
 		else
 			return sst_write_wp(flash, offset, len, buf);

drivers/mtd/spi/spi_flash.c

@@ -968,7 +968,7 @@ int spi_flash_scan(struct spi_flash *flash)
 	flash->write = spi_flash_cmd_write_ops;
 #if defined(CONFIG_SPI_FLASH_SST)
 	if (flash->flags & SNOR_F_SST_WR) {
-		if (spi->mode & SPI_TX_BP)
+		if (spi->mode & SPI_TX_BYTE)
 			flash->write = sst_write_bp;
 		else
 			flash->write = sst_write_wp;
@@ -1042,7 +1042,7 @@ int spi_flash_scan(struct spi_flash *flash)
 	}
 
 	/* Not require to look for fastest only two write cmds yet */
-	if (params->flags & WR_QPP && spi->mode & SPI_TX_QPP)
+	if (params->flags & WR_QPP && spi->mode & SPI_TX_QUAD)
 		flash->write_cmd = CMD_QUAD_PAGE_PROGRAM;
 	else
 		/* Go for default supported write cmd */

drivers/spi/ich.c

@@ -753,7 +753,7 @@ static int ich_spi_child_pre_probe(struct udevice *dev)
 	 */
 	if (plat->ich_version == 7) {
 		slave->op_mode_rx = SPI_OPM_RX_AS;
-		slave->mode = SPI_TX_BP;
+		slave->mode = SPI_TX_BYTE;
 	}
 
 	return 0;

include/spi.h

@@ -23,8 +23,8 @@
 #define	SPI_LOOP	0x20			/* loopback mode */
 #define	SPI_SLAVE	0x40			/* slave mode */
 #define	SPI_PREAMBLE	0x80			/* Skip preamble bytes */
-#define SPI_TX_BP	0x100			/* transmit with 1 wire byte */
-#define SPI_TX_QPP	0x200			/* transmit with 4 wires */
+#define SPI_TX_BYTE	0x100			/* transmit with 1 wire byte */
+#define SPI_TX_QUAD	0x200			/* transmit with 4 wires */
 
 /* SPI transfer flags */
 #define SPI_XFER_BEGIN		0x01	/* Assert CS before transfer */