configs: sama5d2_xplained: update for SPL

Enable config options to support the SPL, increase the malloc
memory size for the SPL and board_init_f stage and increase
the memory space for the SPL binary.

Signed-off-by: Wenyou Yang <wenyou.yang@atmel.com>
diff --git a/configs/sama5d2_xplained_spiflash_defconfig b/configs/sama5d2_xplained_spiflash_defconfig
index ea51293..70a17ed 100644
--- a/configs/sama5d2_xplained_spiflash_defconfig
+++ b/configs/sama5d2_xplained_spiflash_defconfig
@@ -4,9 +4,11 @@
 CONFIG_SPL_GPIO_SUPPORT=y
 CONFIG_SPL_LIBCOMMON_SUPPORT=y
 CONFIG_SPL_LIBGENERIC_SUPPORT=y
+CONFIG_SYS_MALLOC_F_LEN=0x2000
 CONFIG_SPL_SERIAL_SUPPORT=y
 CONFIG_SPL_SPI_FLASH_SUPPORT=y
 CONFIG_SPL_SPI_SUPPORT=y
+CONFIG_SPL_DRIVERS_MISC_SUPPORT=y
 CONFIG_DEFAULT_DEVICE_TREE="at91-sama5d2_xplained"
 CONFIG_FIT=y
 CONFIG_SYS_EXTRA_OPTIONS="SAMA5D2,SYS_USE_SERIALFLASH"
@@ -29,8 +31,10 @@
 CONFIG_CMD_FAT=y
 CONFIG_OF_CONTROL=y
 CONFIG_SPL_OF_CONTROL=y
+CONFIG_OF_SPL_REMOVE_PROPS="interrupts interrupt-parent dmas dma-names"
 CONFIG_DM=y
 CONFIG_SPL_DM=y
+CONFIG_SPL_DM_SEQ_ALIAS=y
 CONFIG_CLK=y
 CONFIG_SPL_CLK=y
 CONFIG_CLK_AT91=y
@@ -50,12 +54,13 @@
 CONFIG_DM_ETH=y
 CONFIG_MACB=y
 CONFIG_PINCTRL=y
+CONFIG_SPL_PINCTRL=y
 CONFIG_PINCTRL_AT91PIO4=y
 CONFIG_DM_SERIAL=y
 CONFIG_DEBUG_UART=y
 CONFIG_DEBUG_UART_ATMEL=y
 CONFIG_DEBUG_UART_BASE=0xf8020000
-CONFIG_DEBUG_UART_CLOCK=0
+CONFIG_DEBUG_UART_CLOCK=83000000
 CONFIG_DEBUG_UART_BOARD_INIT=y
 CONFIG_DEBUG_UART_ANNOUNCE=y
 CONFIG_ATMEL_USART=y