powerpc: defconfigs: add MTD_SPI_NOR (new dependency for M25P80)

These defconfigs contain the CONFIG_M25P80 symbol, which is now
dependent on the MTD_SPI_NOR symbol. Add CONFIG_MTD_SPI_NOR to satisfy
the new dependency.

At the same time, drop the now-nonexistent CONFIG_MTD_CHAR symbol.

Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: linuxppc-dev@lists.ozlabs.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Scott Wood <scottwood@freescale.com>

arch/powerpc/configs/corenet32_smp_defconfig

@@ -75,6 +75,7 @@ CONFIG_MTD_PHYSMAP_OF=y
 CONFIG_MTD_NAND=y
 CONFIG_MTD_NAND_FSL_ELBC=y
 CONFIG_MTD_NAND_FSL_IFC=y
+CONFIG_MTD_SPI_NOR=y
 CONFIG_BLK_DEV_LOOP=y
 CONFIG_BLK_DEV_RAM=y
 CONFIG_BLK_DEV_RAM_SIZE=131072

arch/powerpc/configs/corenet64_smp_defconfig

@@ -69,6 +69,7 @@ CONFIG_MTD_PHYSMAP_OF=y
 CONFIG_MTD_NAND=y
 CONFIG_MTD_NAND_FSL_ELBC=y
 CONFIG_MTD_NAND_FSL_IFC=y
+CONFIG_MTD_SPI_NOR=y
 CONFIG_MTD_UBI=y
 CONFIG_BLK_DEV_LOOP=y
 CONFIG_BLK_DEV_RAM=y

arch/powerpc/configs/mpc85xx_smp_defconfig

@@ -91,6 +91,7 @@ CONFIG_MTD_PHYSMAP_OF=y
 CONFIG_MTD_NAND=y
 CONFIG_MTD_NAND_FSL_ELBC=y
 CONFIG_MTD_NAND_FSL_IFC=y
+CONFIG_MTD_SPI_NOR=y
 CONFIG_MTD_UBI=y
 CONFIG_BLK_DEV_LOOP=y
 CONFIG_BLK_DEV_NBD=y