spi: Remove unused mpc8xx code

- spi_init_f
- spi_init_r
- spi_read
- spi_write

these spi calls are exclusively for mpc8xx, but
the relevant driver is not available so remove it.

Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>

cmd/eeprom.c

@@ -66,11 +66,6 @@ __weak int eeprom_write_enable(unsigned dev_addr, int state)
 
 void eeprom_init(int bus)
 {
-	/* SPI EEPROM */
-#if defined(CONFIG_MPC8XX_SPI) && !defined(CONFIG_ENV_EEPROM_IS_ON_I2C)
-	spi_init_f();
-#endif
-
 	/* I2C EEPROM */
 #if defined(CONFIG_SYS_I2C)
 	if (bus >= 0)
@@ -129,14 +124,6 @@ static int eeprom_rw_block(unsigned offset, uchar *addr, unsigned alen,
 {
 	int ret = 0;
 
-	/* SPI */
-#if defined(CONFIG_MPC8XX_SPI) && !defined(CONFIG_ENV_EEPROM_IS_ON_I2C)
-	if (read)
-		spi_read(addr, alen, buffer, len);
-	else
-		spi_write(addr, alen, buffer, len);
-#else	/* I2C */
-
 #if defined(CONFIG_SYS_I2C_EEPROM_BUS)
 	i2c_set_bus_num(CONFIG_SYS_I2C_EEPROM_BUS);
 #endif
@@ -148,7 +135,7 @@ static int eeprom_rw_block(unsigned offset, uchar *addr, unsigned alen,
 
 	if (ret)
 		ret = 1;
-#endif
+
 	return ret;
 }