ids8313: Disable SPI

With the recent SPI changes, the ids8313 board won't compile anymore.

Until further information from the manufacturer, disable SPI support, so
that the board will at least compile again.
Signed-off-by: NMario Six <mario.six@gdsys.cc>
Acked-by: NHeiko Schocher <hs@denx.de>
Reviewed-by: NJagan Teki <jagan@amarulasolutions.com>

configs/ids8313_defconfig

@@ -21,7 +21,6 @@ CONFIG_CMD_ENV_FLAGS=y
 CONFIG_CMD_I2C=y
 CONFIG_CMD_NAND=y
 CONFIG_CMD_NAND_TRIMFFS=y
-CONFIG_CMD_SPI=y
 # CONFIG_CMD_SETEXPR is not set
 CONFIG_CMD_DHCP=y
 CONFIG_CMD_MII=y
@@ -48,6 +47,4 @@ CONFIG_MII=y
 CONFIG_TSEC_ENET=y
 # CONFIG_PCI is not set
 CONFIG_SYS_NS16550=y
-CONFIG_SPI=y
-CONFIG_MPC8XXX_SPI=y
 CONFIG_OF_LIBFDT=y