ftsdmc020: move ftsdmc020.h to include/faraday

Move the header file "ftsdmc020.h" (SDRAM Controller)
to "include/faraday" folder.

This change will let other SoC which also use ftsdmc020
could share the same header file.

Signed-off-by: Macpaul Lin <macpaul@andestech.com>

board/faraday/a320evb/lowlevel_init.S

@@ -21,7 +21,7 @@
 #include <version.h>
 
 #include <asm/macro.h>
-#include <asm/arch/ftsdmc020.h>
+#include <faraday/ftsdmc020.h>
 
 /*
  * parameters for the SDRAM controller