arm, da850evm: Add an SPL for SPI boot

Signed-off-by: Christian Riesch <christian.riesch@omicron.at>
Cc: Heiko Schocher <hs@denx.de>
Cc: Sandeep Paulraj <s-paulraj@ti.com>
Cc: Tom Rini <trini@ti.com>
Cc: Sudhakar Rajashekhara <sudhakar.raj@ti.com>
diff --git a/board/davinci/da8xxevm/da850evm.c b/board/davinci/da8xxevm/da850evm.c
index 9c0eade..9bd3e71 100644
--- a/board/davinci/da8xxevm/da850evm.c
+++ b/board/davinci/da8xxevm/da850evm.c
@@ -108,7 +108,7 @@
 #endif
 };
 
-static const struct pinmux_resource pinmuxes[] = {
+const struct pinmux_resource pinmuxes[] = {
 #ifdef CONFIG_DRIVER_TI_EMAC
 	PINMUX_ITEM(emac_pins_mdio),
 #ifdef CONFIG_DRIVER_TI_EMAC_USE_RMII
@@ -135,6 +135,8 @@
 	PINMUX_ITEM(gpio_pins),
 };
 
+const int pinmuxes_size = ARRAY_SIZE(pinmuxes);
+
 static const struct lpsc_resource lpsc[] = {
 	{ DAVINCI_LPSC_AEMIF },	/* NAND, NOR */
 	{ DAVINCI_LPSC_SPI1 },	/* Serial Flash */