at91: ma5d4evk: Enable DM_SPI

AT91 ma5d4evk board uses atmel spi driver, enable DM_SPI to
use dm functionality.

Kept few functions related to non-dm and gpio on board
files for reference and will be remove once code moved
to relevant drivers.

Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>

arch/arm/mach-at91/Kconfig

@@ -201,6 +201,7 @@ config TARGET_MA5D4EVK
 	select SAMA5D4
 	select SUPPORT_SPL
 	select DM
+	select DM_SPI
 
 config TARGET_MEESC
 	bool "Support meesc"

board/aries/ma5d4evk/ma5d4evk.c

@@ -30,7 +30,8 @@ DECLARE_GLOBAL_DATA_PTR;
 
 static u8 boot_mode_sf;
 
-#ifdef CONFIG_ATMEL_SPI
+/* FIXME gpio code here need to handle through DM_GPIO */
+#ifndef CONFIG_DM_SPI
 int spi_cs_is_valid(unsigned int bus, unsigned int cs)
 {
 	return bus == 0 && cs == 0;
@@ -57,7 +58,7 @@ static void ma5d4evk_spi0_hw_init(void)
 	/* Enable clock */
 	at91_periph_clk_enable(ATMEL_ID_SPI0);
 }
-#endif /* CONFIG_ATMEL_SPI */
+#endif /* CONFIG_DM_SPI */
 
 #ifdef CONFIG_CMD_USB
 static void ma5d4evk_usb_hw_init(void)
@@ -292,7 +293,7 @@ int board_init(void)
 	/* adress of boot parameters */
 	gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
 
-#ifdef CONFIG_ATMEL_SPI
+#ifndef CONFIG_DM_SPI
 	ma5d4evk_spi0_hw_init();
 #endif
 #ifdef CONFIG_GENERIC_ATMEL_MCI