arch: cris: amend Kconfig after mtdchar merge

The mtdchar module was merged with the mtdcore module, which means that the
MTD_CHAR Kconfig symbol does not exist any more.

Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
diff --git a/arch/cris/Kconfig b/arch/cris/Kconfig
index 06dd026..8769a90 100644
--- a/arch/cris/Kconfig
+++ b/arch/cris/Kconfig
@@ -264,7 +264,6 @@
 	select MTD_CFI
 	select MTD_CFI_AMDSTD
 	select MTD_JEDECPROBE if ETRAX_ARCH_V32
-	select MTD_CHAR
 	select MTD_BLOCK
 	select MTD_COMPLEX_MAPPINGS
 	help
diff --git a/arch/cris/arch-v32/drivers/Kconfig b/arch/cris/arch-v32/drivers/Kconfig
index af4a486..c55971a 100644
--- a/arch/cris/arch-v32/drivers/Kconfig
+++ b/arch/cris/arch-v32/drivers/Kconfig
@@ -404,7 +404,6 @@
 	select MTD_CFI
 	select MTD_CFI_AMDSTD
 	select MTD_JEDECPROBE
-	select MTD_CHAR
 	select MTD_BLOCK
 	select MTD_COMPLEX_MAPPINGS
 	help