imx: mx6: Fix implementantion reset_misc

lcdif_power_down should not be included in spl build to avoid build
failure introduced by commit eb111bb31d882877e75e6b8083808dcaf6493b92

Signed-off-by: Michael Trimarchi <michael@amarulasolutions.com>
Reviewed-by: Peng Fan <peng.fan@nxp.com>
diff --git a/arch/arm/mach-imx/mx6/soc.c b/arch/arm/mach-imx/mx6/soc.c
index e8b6f77..ffc2951 100644
--- a/arch/arm/mach-imx/mx6/soc.c
+++ b/arch/arm/mach-imx/mx6/soc.c
@@ -548,9 +548,11 @@
 
 void reset_misc(void)
 {
+#ifndef CONFIG_SPL_BUILD
 #ifdef CONFIG_VIDEO_MXS
 	lcdif_power_down();
 #endif
+#endif
 }
 
 void s_init(void)