ARM: Move __secure definition to common asm/secure.h

sunxi and i.mx7 both define the __secure modifier to put functions in
the secure section. Move this to a common place.
Signed-off-by: NChen-Yu Tsai <wens@csie.org>
Signed-off-by: NHans de Goede <hdegoede@redhat.com>

arch/arm/cpu/armv7/mx7/psci-mx7.c

 #include <asm/io.h>
 #include <asm/psci.h>
+#include <asm/secure.h>
 #include <asm/arch/imx-regs.h>
 #include <common.h>
 
-#define __secure __attribute__((section("._secure.text")))
 
 #define GPC_CPU_PGC_SW_PDN_REQ	0xfc
 #define GPC_CPU_PGC_SW_PUP_REQ	0xf0

arch/arm/cpu/armv7/sunxi/psci.c

@@ -17,11 +17,11 @@
 #include <asm/gic.h>
 #include <asm/io.h>
 #include <asm/psci.h>
+#include <asm/secure.h>
 #include <asm/system.h>
 
 #include <linux/bitops.h>
 
-#define __secure	__attribute__ ((section ("._secure.text")))
 #define __irq		__attribute__ ((interrupt ("IRQ")))
 
 #define	GICD_BASE	(SUNXI_GIC400_BASE + GIC_DIST_OFFSET)

arch/arm/include/asm/secure.h

@@ -3,6 +3,8 @@
 
 #include <config.h>
 
+#define __secure __attribute__ ((section ("._secure.text")))
+
 #ifdef CONFIG_ARMV7_SECURE_BASE
 /*
  * Warning, horror ahead.