apalis_imx6: Avoid calling setup_display() from SPL code

There is no need call setup_display() from SPL code, so move it to
board_init(), which executes only in U-Boot proper.

Reported-by: Stefano Babic <sbabic@denx.de>
Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com>
diff --git a/board/toradex/apalis_imx6/apalis_imx6.c b/board/toradex/apalis_imx6/apalis_imx6.c
index 628a61d..b86dde8 100644
--- a/board/toradex/apalis_imx6/apalis_imx6.c
+++ b/board/toradex/apalis_imx6/apalis_imx6.c
@@ -756,10 +756,6 @@
 #else
 	setup_iomux_dce_uart();
 #endif
-
-#if defined(CONFIG_VIDEO_IPUV3)
-	setup_display();
-#endif
 	return 0;
 }
 
@@ -781,6 +777,10 @@
 	setup_i2c(1, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info_loc);
 	setup_i2c(2, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info3);
 
+#if defined(CONFIG_VIDEO_IPUV3)
+	setup_display();
+#endif
+
 #ifdef CONFIG_TDX_CMD_IMX_MFGR
 	(void) pmic_init();
 #endif