ide: Remove spurious second include of io.h

Removed the second include, with all the #ifdef around as suggested by Wolfgang.
Signed-off-by: NMarcel Ziswiler <marcel@ziswiler.com>

common/cmd_ide.c

@@ -52,10 +52,6 @@
 # include <status_led.h>
 #endif
 
-#ifndef __PPC__
-#include <asm/io.h>
-#endif
-
 #ifdef CONFIG_IDE_8xx_DIRECT
 DECLARE_GLOBAL_DATA_PTR;
 #endif