Rename __attribute__((packed)) --> __packed

Also unify __attribute__ ((..)) to __attribute__((..)) and
handle ((__packed__)) like ((packed))

Change-Id: Ie60a51c3fa92b5009724a5b7c2932e361bf3490c
Signed-off-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Reviewed-on: https://review.coreboot.org/15921
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
diff --git a/src/northbridge/intel/sandybridge/raminit_mrc.c b/src/northbridge/intel/sandybridge/raminit_mrc.c
index 3f7d1c6..7145841 100644
--- a/src/northbridge/intel/sandybridge/raminit_mrc.c
+++ b/src/northbridge/intel/sandybridge/raminit_mrc.c
@@ -13,6 +13,7 @@
  * GNU General Public License for more details.
  */
 
+#include <compiler.h>
 #include <console/console.h>
 #include <console/usb.h>
 #include <bootmode.h>
@@ -183,7 +184,7 @@
 void sdram_initialize(struct pei_data *pei_data)
 {
 	struct sys_info sysinfo;
-	int (*entry) (struct pei_data *pei_data) __attribute__ ((regparm(1)));
+	int (*entry) (struct pei_data *pei_data) __attribute__((regparm(1)));
 
 	report_platform_info();