common: Move lcd_setmem() to lcd.h

This function relates to lcd.h and is about to become obsolete with the
driver-model conversion. Move it out of common.h

Signed-off-by: Simon Glass <sjg@chromium.org>

common/board_f.c

@@ -19,6 +19,7 @@
 #include <fs.h>
 #include <i2c.h>
 #include <initcall.h>
+#include <lcd.h>
 #include <malloc.h>
 #include <mapmem.h>
 #include <os.h>