arm: at91: Remove <common.h> and add needed includes

Remove <common.h> from all mach-at91 files and when needed add missing
include files directly.

Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/arch/arm/mach-at91/arm926ejs/cpu.c b/arch/arm/mach-at91/arm926ejs/cpu.c
index 5e84b0a..e476cd5 100644
--- a/arch/arm/mach-at91/arm926ejs/cpu.c
+++ b/arch/arm/mach-at91/arm926ejs/cpu.c
@@ -6,7 +6,7 @@
  * Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
  */
 
-#include <common.h>
+#include <config.h>
 #include <init.h>
 #include <vsprintf.h>
 #include <asm/io.h>