spi: Remove unused parameters from spi_flash_probe and setup_spi_slave.

The spi_flash_probe and and spi_setup_slave functions each took a max_hz
parameter and a spi_mode parameter which were never used.

BUG=None
TEST=Built for link, falco, rambi, nyan.
BRANCH=None

Change-Id: I3a2e0a9ab530bcc0f722f81f00e8c7bd1f6d2a22
Signed-off-by: Gabe Black <gabeblack@google.com>
Reviewed-on: https://chromium-review.googlesource.com/192046
Reviewed-by: Gabe Black <gabeblack@chromium.org>
Tested-by: Gabe Black <gabeblack@chromium.org>
Commit-Queue: Gabe Black <gabeblack@chromium.org>
[km: cherry-pick from chromium]
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: http://review.coreboot.org/6174
Tested-by: build bot (Jenkins)
Reviewed-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Patrick Georgi <patrick@georgi-clan.de>
diff --git a/src/drivers/spi/spi_flash.c b/src/drivers/spi/spi_flash.c
index 6d92836..9b676ae 100644
--- a/src/drivers/spi/spi_flash.c
+++ b/src/drivers/spi/spi_flash.c
@@ -250,15 +250,14 @@
 };
 #define IDCODE_LEN (IDCODE_CONT_LEN + IDCODE_PART_LEN)
 
-struct spi_flash *spi_flash_probe(unsigned int bus, unsigned int cs,
-		unsigned int max_hz, unsigned int spi_mode)
+struct spi_flash *spi_flash_probe(unsigned int bus, unsigned int cs)
 {
 	struct spi_slave *spi;
 	struct spi_flash *flash = NULL;
 	int ret, i, shift;
 	u8 idcode[IDCODE_LEN], *idp;
 
-	spi = spi_setup_slave(bus, cs, max_hz, spi_mode);
+	spi = spi_setup_slave(bus, cs);
 	if (!spi) {
 		printk(BIOS_WARNING, "SF: Failed to set up slave\n");
 		return NULL;