ARM: SAMSUNG: Include most of mach/ headers conditionally

Since it is illegal to include mach/ headers from source files outside
of respective mach-* directory and DT-only Samsung platforms might not
have all of them anyway, this patches makes inclusion of them
conditional, based on CONFIG_SAMSUNG_ATAGS.

Signed-off-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>

arch/arm/plat-samsung/pm.c

@@ -21,13 +21,17 @@
 
 #include <asm/cacheflush.h>
 #include <asm/suspend.h>
-#include <mach/hardware.h>
-#include <mach/map.h>
 
 #include <plat/regs-serial.h>
+
+#ifdef CONFIG_SAMSUNG_ATAGS
+#include <mach/hardware.h>
+#include <mach/map.h>
 #include <mach/regs-clock.h>
 #include <mach/regs-irq.h>
 #include <mach/irqs.h>
+#endif
+
 #include <asm/irq.h>
 
 #include <plat/pm.h>