board: cobra5272: Remove <common.h> and add needed includes

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

Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/board/cobra5272/flash.c b/board/cobra5272/flash.c
index 8416af1..157b71d 100644
--- a/board/cobra5272/flash.c
+++ b/board/cobra5272/flash.c
@@ -4,13 +4,17 @@
  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
  */
 
-#include <common.h>
+#include <config.h>
 #include <console.h>
 #include <cpu_func.h>
 #include <flash.h>
 #include <irq_func.h>
+#include <stdio.h>
+#include <time.h>
 #include <uuid.h>
+#include <vsprintf.h>
 #include <linux/delay.h>
+#include <linux/string.h>
 
 #define PHYS_FLASH_1 CFG_SYS_FLASH_BASE
 #define FLASH_BANK_SIZE 0x200000