Rename hardwaremain() to main()

... and drop the wrapper on ARMv7

Change-Id: If3ffe953cee9e61d4dcbb38f4e5e2ca74b628ccc
Signed-off-by: Stefan Reinauer <reinauer@google.com>
Signed-off-by: Gabe Black <gabeblack@chromium.org>
Reviewed-on: http://review.coreboot.org/3639
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>

src/lib/hardwaremain.c

@@ -445,7 +445,7 @@ static void boot_state_schedule_static_entries(void)
 	}
 }
 
-void hardwaremain(void)
+void main(void)
 {
 	timestamp_stash(TS_START_RAMSTAGE);
 	post_code(POST_ENTRY_RAMSTAGE);