mpc83xx: enable jffs2

SVN-Revision: 19586

target/linux/mpc83xx/config-default

@@ -90,7 +90,6 @@ CONFIG_IPIC=y
 CONFIG_IRQ_PER_CPU=y
 # CONFIG_IRQSTACKS is not set
 CONFIG_ISA_DMA_API=y
-# CONFIG_JFFS2_FS is not set
 CONFIG_KERNEL_START=0xc0000000
 # CONFIG_KMETER1 is not set
 # CONFIG_LEDS_GPIO is not set