ARM: at91: Remove hardware.h included in configs

As said in READRE.kconfig, include/configs/*.h will be removed
after all options are switched to Kconfig. As the first step,
remove the follow line from include/configs/*.h.

 #include <asm/hardware.h>

Signed-off-by: Wenyou Yang <wenyou.yang@microchip.com>
diff --git a/arch/arm/mach-at91/atmel_sfr.c b/arch/arm/mach-at91/atmel_sfr.c
index adf44c6..d595ba8 100644
--- a/arch/arm/mach-at91/atmel_sfr.c
+++ b/arch/arm/mach-at91/atmel_sfr.c
@@ -6,6 +6,7 @@
  */
 
 #include <common.h>
+#include <asm/hardware.h>
 #include <asm/io.h>
 #include <asm/arch/sama5_sfr.h>
 
diff --git a/arch/arm/mach-at91/matrix.c b/arch/arm/mach-at91/matrix.c
index 57d7270..08659c8 100644
--- a/arch/arm/mach-at91/matrix.c
+++ b/arch/arm/mach-at91/matrix.c
@@ -6,6 +6,7 @@
  */
 
 #include <common.h>
+#include <asm/hardware.h>
 #include <asm/io.h>
 #include <asm/arch/sama5_matrix.h>
 
diff --git a/arch/arm/mach-at91/phy.c b/arch/arm/mach-at91/phy.c
index ddd70f5..adb761e 100644
--- a/arch/arm/mach-at91/phy.c
+++ b/arch/arm/mach-at91/phy.c
@@ -13,6 +13,7 @@
  */
 
 #include <common.h>
+#include <asm/hardware.h>
 #include <asm/io.h>
 #include <linux/sizes.h>
 #include <asm/arch/at91_rstc.h>