exynos: Allow CONFIG_MISC_COMMON to be build without an LCD

This file currently requires LCD support. Adjust it so that it can still be
built without LCD support (even thought it won't work fully).

Signed-off-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
diff --git a/board/samsung/common/misc.c b/board/samsung/common/misc.c
index da0d4db..77d0a4e 100644
--- a/board/samsung/common/misc.c
+++ b/board/samsung/common/misc.c
@@ -147,6 +147,7 @@
 	return value;
 }
 
+#ifdef CONFIG_LCD
 static int check_keys(void)
 {
 	int keys = 0;
@@ -235,9 +236,11 @@
 
 	lcd_printf("\tDisplay BPP: %u\n", 1 << vid->vl_bpix);
 }
+#endif
 
 static int mode_leave_menu(int mode)
 {
+#ifdef CONFIG_LCD
 	char *exit_option;
 	char *exit_reset = "reset";
 	char *exit_back = "back";
@@ -301,8 +304,12 @@
 
 	lcd_clear();
 	return leave;
+#else
+	return 0;
+#endif
 }
 
+#ifdef CONFIG_LCD
 static void display_download_menu(int mode)
 {
 	char *selection[BOOT_MODE_EXIT + 1];
@@ -320,9 +327,11 @@
 		lcd_printf("\t%s  %s - %s\n\n", selection[i],
 			   mode_name[i][0], mode_info[i]);
 }
+#endif
 
 static void download_menu(void)
 {
+#ifdef CONFIG_LCD
 	int mode = 0;
 	int last_mode = 0;
 	int run;
@@ -393,6 +402,7 @@
 	}
 
 	lcd_clear();
+#endif
 }
 
 void check_boot_mode(void)