[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>
diff --git a/arch/arm/plat-s3c24xx/pwm-clock.c b/arch/arm/plat-s3c24xx/pwm-clock.c
index 2cda3e3..489e32ab 100644
--- a/arch/arm/plat-s3c24xx/pwm-clock.c
+++ b/arch/arm/plat-s3c24xx/pwm-clock.c
@@ -18,7 +18,7 @@
 #include <linux/err.h>
 #include <linux/io.h>
 
-#include <asm/hardware.h>
+#include <asm/arch/hardware.h>
 #include <asm/irq.h>
 
 #include <asm/arch/regs-clock.h>