[ARM] Don't include asm/arch/hardware.h directly

Since asm/hardware.h's only reason for existing is to include
asm/arch/hardware.h, it's completely pointless to include both.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

arch/arm/mach-l7200/core.c

@@ -12,7 +12,6 @@
 #include <asm/page.h>
 
 #include <asm/mach/map.h>
-#include <asm/arch/hardware.h>
 
 /*
  * IRQ base register

drivers/usb/host/ohci-lh7a404.c

@@ -18,7 +18,6 @@
 
 #include <asm/hardware.h>
 #include <asm/mach-types.h>
-#include <asm/arch/hardware.h>
 
 
 extern int usb_disabled(void);

drivers/usb/host/ohci-omap.c

@@ -18,7 +18,6 @@
 #include <asm/io.h>
 #include <asm/mach-types.h>
 
-#include <asm/arch/hardware.h>
 #include <asm/arch/mux.h>
 #include <asm/arch/irqs.h>
 #include <asm/arch/gpio.h>