imx: mx6: Fix implementantion reset_misc

lcdif_power_down should not be included in spl build to avoid build
failure introduced by commit eb111bb3Signed-off-by: NMichael Trimarchi <michael@amarulasolutions.com>
Reviewed-by: NPeng Fan <peng.fan@nxp.com>

arch/arm/mach-imx/mx6/soc.c

@@ -548,9 +548,11 @@ const struct boot_mode soc_boot_modes[] = {
 
 void reset_misc(void)
 {
+#ifndef CONFIG_SPL_BUILD
 #ifdef CONFIG_VIDEO_MXS
 	lcdif_power_down();
 #endif
+#endif
 }
 
 void s_init(void)