ARM: zynq: Call zynq board_init() in SPL

Call board_init() if SPL is configured with CONFIG_SPL_BOARD_INIT.

Signed-off-by: Michal Simek <monstr@monstr.eu>
diff --git a/arch/arm/cpu/armv7/zynq/spl.c b/arch/arm/cpu/armv7/zynq/spl.c
index fcad762..c3ea221 100644
--- a/arch/arm/cpu/armv7/zynq/spl.c
+++ b/arch/arm/cpu/armv7/zynq/spl.c
@@ -28,6 +28,13 @@
 	board_init_r(NULL, 0);
 }
 
+#ifdef CONFIG_SPL_BOARD_INIT
+void spl_board_init(void)
+{
+	board_init();
+}
+#endif
+
 u32 spl_boot_device(void)
 {
 	u32 mode;