sandbox: cros_ec: Drop unnecessary init

Since driver model will probe the EC when it is first used, we do not
need to init it explicitly.

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/board/sandbox/sandbox.c b/board/sandbox/sandbox.c
index e4d4e02..2227f1c 100644
--- a/board/sandbox/sandbox.c
+++ b/board/sandbox/sandbox.c
@@ -53,18 +53,6 @@
 }
 #endif
 
-int arch_early_init_r(void)
-{
-#ifdef CONFIG_CROS_EC
-	if (cros_ec_board_init()) {
-		printf("%s: Failed to init EC\n", __func__);
-		return 0;
-	}
-#endif
-
-	return 0;
-}
-
 #ifdef CONFIG_BOARD_LATE_INIT
 int board_late_init(void)
 {
diff --git a/include/configs/sandbox.h b/include/configs/sandbox.h
index 558ea2c..c49a847 100644
--- a/include/configs/sandbox.h
+++ b/include/configs/sandbox.h
@@ -151,7 +151,6 @@
 
 #define CONFIG_BOOTARGS ""
 
-#define CONFIG_ARCH_EARLY_INIT_R
 #define CONFIG_BOARD_LATE_INIT
 
 #define CONFIG_SOUND