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>

src/soc/intel/baytrail/nvm.c

@@ -37,7 +37,7 @@ static int nvm_init(void)
 		return 0;
 
 	spi_init();
-	flash = spi_flash_probe(0, 0, 1000000, SPI_MODE_3);
+	flash = spi_flash_probe(0, 0);
 	if (!flash) {
 		printk(BIOS_DEBUG, "Could not find SPI device\n");
 		return -1;

src/soc/intel/baytrail/spi.c

@@ -272,8 +272,7 @@ int spi_cs_is_valid(unsigned int bus, unsigned int cs)
 	return 0;
 }
 
-struct spi_slave *spi_setup_slave(unsigned int bus, unsigned int cs,
-		unsigned int max_hz, unsigned int mode)
+struct spi_slave *spi_setup_slave(unsigned int bus, unsigned int cs)
 {
 	ich_spi_slave *slave = malloc(sizeof(*slave));
 

src/soc/intel/fsp_baytrail/nvm.c

@@ -38,7 +38,7 @@ static int nvm_init(void)
 		return 0;
 
 	spi_init();
-	flash = spi_flash_probe(0, 0, 1000000, SPI_MODE_3);
+	flash = spi_flash_probe(0, 0);
 	if (!flash) {
 		printk(BIOS_DEBUG, "Could not find SPI device\n");
 		return -1;

src/soc/intel/fsp_baytrail/spi.c

@@ -270,8 +270,7 @@ int spi_cs_is_valid(unsigned int bus, unsigned int cs)
 	return 0;
 }
 
-struct spi_slave *spi_setup_slave(unsigned int bus, unsigned int cs,
-		unsigned int max_hz, unsigned int mode)
+struct spi_slave *spi_setup_slave(unsigned int bus, unsigned int cs)
 {
 	ich_spi_slave *slave = malloc(sizeof(*slave));