board: AndesTech: ax25-ae350.c: Enable v5l2-cache in spl_board_init()

The L2-cache is not enabled currently, the enbale_caches() will call
the v5l2_enable() callback to enable it in SPL.

Signed-off-by: Yu Chien Peter Lin <peterlin@andestech.com>
Reviewed-by: Leo Yu-Chi Liang <ycliang@andestech.com>
Reviewed-by: Rick Chen <rick@andestech.com>
diff --git a/board/AndesTech/ax25-ae350/ax25-ae350.c b/board/AndesTech/ax25-ae350/ax25-ae350.c
index 63a966e..1c2288b 100644
--- a/board/AndesTech/ax25-ae350/ax25-ae350.c
+++ b/board/AndesTech/ax25-ae350/ax25-ae350.c
@@ -5,6 +5,7 @@
  */
 
 #include <common.h>
+#include <cpu_func.h>
 #include <flash.h>
 #include <image.h>
 #include <init.h>
@@ -72,6 +73,14 @@
 	return NULL;
 }
 
+#ifdef CONFIG_SPL_BOARD_INIT
+void spl_board_init()
+{
+	/* enable v5l2 cache */
+	enable_caches();
+}
+#endif
+
 int smc_init(void)
 {
 	int node = -1;
@@ -96,18 +105,10 @@
 	return 0;
 }
 
-static void v5l2_init(void)
-{
-	struct udevice *dev;
-
-	uclass_get_device(UCLASS_CACHE, 0, &dev);
-}
-
 #ifdef CONFIG_BOARD_EARLY_INIT_F
 int board_early_init_f(void)
 {
 	smc_init();
-	v5l2_init();
 
 	return 0;
 }