board: da8xxevm: Add SPL DM for serial, spi

This patch add SPL DM support for da8xxevm boards
with SPL serial, SPI drivers supported via platdata.

Cc: Adam Ford <aford173@gmail.com>
Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Tested-by: Adam Ford <aford173@gmail.com> #da850evm

board/davinci/da8xxevm/da850evm.c

@@ -49,6 +49,33 @@ DECLARE_GLOBAL_DATA_PTR;
 
 #define CFG_MAC_ADDR_OFFSET	(flash->size - SZ_64K)
 
+#ifdef CONFIG_SPL_BUILD
+#include <ns16550.h>
+#include <dm/platform_data/spi_davinci.h>
+
+static const struct ns16550_platdata da850evm_serial = {
+	.base = DAVINCI_UART2_BASE,
+	.reg_shift = 2,
+	.clock = 150000000,
+	.fcr = UART_FCR_DEFVAL,
+};
+
+U_BOOT_DEVICE(da850evm_uart) = {
+	.name = "ns16550_serial",
+	.platdata = &da850evm_serial,
+};
+
+static const struct davinci_spi_platdata davinci_spi_data = {
+        .regs = (struct davinci_spi_regs *)0x01f0e000,
+        .num_cs = 4,
+};
+
+U_BOOT_DEVICE(davinci_spi) = {
+        .name = "davinci_spi",
+        .platdata = &davinci_spi_data,
+};
+#endif
+
 #ifdef CONFIG_MAC_ADDR_IN_SPIFLASH
 static int get_mac_addr(u8 *addr)
 {