all-archs: consolidate .text section definition in asm-generic

Move definition of .text section to asm-generic.

Signed-off-by: Sam Ravnborg <sam@ravnborg.org>

arch/ia64/kernel/vmlinux.lds.S

@@ -44,7 +44,7 @@ SECTIONS
   .text : AT(ADDR(.text) - LOAD_OFFSET)
     {
 	IVT_TEXT
-	*(.text)
+	TEXT_TEXT
 	SCHED_TEXT
 	LOCK_TEXT
 	KPROBES_TEXT