sh: add defconfig for J-Core J2

CONFIG_SMP=y

CONFIG_SYSVIPC=y

CONFIG_POSIX_MQUEUE=y

CONFIG_NO_HZ=y

CONFIG_HIGH_RES_TIMERS=y

CONFIG_CPU_SUBTYPE_J2=y

CONFIG_MEMORY_START=0x10000000

CONFIG_MEMORY_SIZE=0x04000000

CONFIG_CPU_BIG_ENDIAN=y

CONFIG_SH_DEVICE_TREE=y

CONFIG_HZ_100=y

CONFIG_CMDLINE_OVERWRITE=y

CONFIG_CMDLINE="console=ttyUL0 earlycon"

CONFIG_BINFMT_ELF_FDPIC=y

CONFIG_BINFMT_FLAT=y

CONFIG_NET=y

CONFIG_PACKET=y

CONFIG_UNIX=y

CONFIG_INET=y

CONFIG_DEVTMPFS=y

CONFIG_DEVTMPFS_MOUNT=y

CONFIG_NETDEVICES=y

CONFIG_SERIAL_UARTLITE=y

CONFIG_SERIAL_UARTLITE_CONSOLE=y

CONFIG_I2C=y

CONFIG_SPI=y

CONFIG_SPI_JCORE=y

CONFIG_WATCHDOG=y

CONFIG_MMC=y

CONFIG_MMC_SPI=y

CONFIG_CLKSRC_JCORE_PIT=y

CONFIG_JCORE_AIC=y

CONFIG_EXT4_FS=y

CONFIG_VFAT_FS=y

CONFIG_FAT_DEFAULT_IOCHARSET="ascii"

CONFIG_FAT_DEFAULT_UTF8=y

CONFIG_NLS_DEFAULT="utf8"

CONFIG_NLS_CODEPAGE_437=y

CONFIG_NLS_ASCII=y

CONFIG_NLS_UTF8=y