powerpc/t1024qds: Add missing T1024QDS_DDR4_defconfig

T1024QDS with DDR4 has been supported. Add the missing defconfig.

Signed-off-by: York Sun <yorksun@freescale.com>
CC: Shengzhou Liu <Shengzhou.Liu@freescale.com>

configs/T1024QDS_DDR4_defconfig

@@ -0,0 +1,5 @@
+CONFIG_PPC=y
+CONFIG_MPC85xx=y
+CONFIG_TARGET_T102XQDS=y
+CONFIG_SYS_EXTRA_OPTIONS="PPC_T1024,SYS_FSL_DDR4"
+CONFIG_SPI_FLASH=y