ddr: Remove <common.h> and add needed includes

Remove <common.h> from this driver directory and when needed
add missing include files directly.

Signed-off-by: Tom Rini <trini@konsulko.com>

drivers/ddr/fsl/options.c

@@ -4,16 +4,19 @@
  * Copyright 2017-2018 NXP Semiconductor
  */
 
-#include <common.h>
+#include <config.h>
 #include <env.h>
 #include <hwconfig.h>
 #include <fsl_ddr_sdram.h>
 #include <log.h>
+#include <vsprintf.h>
 
 #include <fsl_ddr.h>
 #if defined(CONFIG_FSL_LSCH2) || defined(CONFIG_FSL_LSCH3) || \
 	defined(CONFIG_ARM)
 #include <asm/arch/clock.h>
+#else
+#include <asm/ppc.h>
 #endif
 
 /*