Convert SPI byte program to use the multicommand infrastructure

Tested-by: Jakob Bornecrantz <wallbraker@gmail.com>

Corresponding to flashrom svn r651.

Signed-off-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>
Tested it on Epia-m700 worked okay.
Acked-by: Jakob Bornecrantz <wallbraker@gmail.com>
diff --git a/it87spi.c b/it87spi.c
index eae4978..d5f7a51 100644
--- a/it87spi.c
+++ b/it87spi.c
@@ -232,6 +232,7 @@
 	result = spi_write_enable();
 	if (result)
 		return result;
+	/* FIXME: The command below seems to be redundant or wrong. */
 	OUTB(0x06, it8716f_flashport + 1);
 	OUTB(((2 + (fast_spi ? 1 : 0)) << 4), it8716f_flashport);
 	for (i = 0; i < 256; i++) {
@@ -262,10 +263,7 @@
 
 	spi_disable_blockprotect();
 	for (i = 0; i < total_size; i++) {
-		result = spi_write_enable();
-		if (result)
-			return result;
-		spi_byte_program(i, buf[i]);
+		result = spi_byte_program(i, buf[i]);
 		while (spi_read_status_register() & JEDEC_RDSR_BIT_WIP)
 			programmer_delay(10);
 	}