ARM: mach-shmobile: Correctly check for CONFIG_MACH_MACKEREL

I made a bit of a thinko when adding Mackerel to the boards
that support zboot using MMCIF.
Reported-by: NMagnus Damm <magnus.damm@gmail.com>
Signed-off-by: NSimon Horman <horms@verge.net.au>
Signed-off-by: NPaul Mundt <lethal@linux-sh.org>

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

@@ -9,7 +9,7 @@
 
 #ifdef CONFIG_MACH_AP4EVB
 #include "mach/mmc-ap4eb.h"
-#elif CONFIG_MACH_MACKEREL
+#elif defined(CONFIG_MACH_MACKEREL)
 #include "mach/mmc-mackerel.h"
 #else
 #error "unsupported board."

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

@@ -13,7 +13,7 @@
 #ifdef CONFIG_MACH_AP4EVB
 #define MACH_TYPE	MACH_TYPE_AP4EVB
 #include "mach/head-ap4evb.txt"
-#elif CONFIG_MACH_MACKEREL
+#elif defined(CONFIG_MACH_MACKEREL)
 #define MACH_TYPE	MACH_TYPE_MACKEREL
 #include "mach/head-mackerel.txt"
 #else