mpc83xx: Make distinct MPC8349EMDS_SDRAM board

The MPC8349EMDS config file contains config options to enable SDRAM
support. To keep this ability after the Kconfig migration, create a new
MPC8349EMDS_SDRAM board that enables the SDRAM support and remove the
SDRAM support from the original board.

Signed-off-by: Mario Six <mario.six@gdsys.cc>
diff --git a/configs/MPC8349EMDS_SDRAM_defconfig b/configs/MPC8349EMDS_SDRAM_defconfig
new file mode 100644
index 0000000..2607dfa
--- /dev/null
+++ b/configs/MPC8349EMDS_SDRAM_defconfig
@@ -0,0 +1,27 @@
+CONFIG_PPC=y
+CONFIG_SYS_TEXT_BASE=0xFE000000
+CONFIG_MPC83xx=y
+CONFIG_TARGET_MPC8349EMDS_SDRAM=y
+CONFIG_OF_BOARD_SETUP=y
+CONFIG_OF_STDOUT_VIA_ALIAS=y
+CONFIG_BOOTDELAY=6
+CONFIG_HUSH_PARSER=y
+CONFIG_CMD_IMLS=y
+CONFIG_CMD_I2C=y
+# CONFIG_CMD_SETEXPR is not set
+CONFIG_CMD_MII=y
+CONFIG_CMD_PING=y
+CONFIG_CMD_DATE=y
+# CONFIG_MMC is not set
+CONFIG_MTD_NOR_FLASH=y
+CONFIG_FLASH_CFI_DRIVER=y
+CONFIG_SYS_FLASH_USE_BUFFER_WRITE=y
+CONFIG_SYS_FLASH_CFI=y
+CONFIG_PHY_MARVELL=y
+CONFIG_NETDEVICES=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