ARM: shmobile: mackerel: Remove ZBOOT code

Remove ZBOOT support code for Mackerel. With this patch in place
it is no longer possible to boot a self-contained kernel directly
from the reset vector. ZBOOT is still supported on kzm9g.

Signed-off-by: Magnus Damm <damm+renesas@opensource.se>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

arch/arm/mach-shmobile/include/mach/mmc.h

@@ -7,10 +7,5 @@
  *
  **************************************************/
 
-#ifdef CONFIG_MACH_MACKEREL
-#include "mach/mmc-mackerel.h"
-#else
 #error "unsupported board."
-#endif
-
 #endif /* MMC_H */

arch/arm/mach-shmobile/include/mach/zboot.h

@@ -9,10 +9,7 @@
  *
  **************************************************/
 
-#ifdef CONFIG_MACH_MACKEREL
-#define MEMORY_START	0x40000000
-#include "mach/head-mackerel.txt"
-#elif defined(CONFIG_MACH_KZM9G) || defined(CONFIG_MACH_KZM9G_REFERENCE)
+#if defined(CONFIG_MACH_KZM9G) || defined(CONFIG_MACH_KZM9G_REFERENCE)
 #define MEMORY_START	0x43000000
 #include "mach/head-kzm9g.txt"
 #else