[ARM] Remove asm/hardware.h, use asm/arch/hardware.h instead

Remove includes of asm/hardware.h in addition to asm/arch/hardware.h.
Then, since asm/hardware.h only exists to include asm/arch/hardware.h,
update everything to directly include asm/arch/hardware.h and remove
asm/hardware.h.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

arch/arm/lib/io-readsw-armv3.S

@@ -9,7 +9,7 @@
  */
 #include <linux/linkage.h>
 #include <asm/assembler.h>
-#include <asm/hardware.h>
+#include <asm/arch/hardware.h>
 
 .Linsw_bad_alignment:
 		adr	r0, .Linsw_bad_align_msg