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>

src/include/console/console.h

@@ -40,7 +40,7 @@ void post_log_clear(void);
 #endif
 /* this function is weak and can be overridden by a mainboard function. */
 void mainboard_post(u8 value);
-void __attribute__ ((noreturn)) die(const char *msg);
+void __attribute__((noreturn)) die(const char *msg);
 
 #define __CONSOLE_ENABLE__ \
 	((ENV_BOOTBLOCK && IS_ENABLED(CONFIG_BOOTBLOCK_CONSOLE)) || \