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>
diff --git a/arch/m68k/kernel/vmlinux-std.lds b/arch/m68k/kernel/vmlinux-std.lds
index 437b4f8..a65cef8 100644
--- a/arch/m68k/kernel/vmlinux-std.lds
+++ b/arch/m68k/kernel/vmlinux-std.lds
@@ -11,7 +11,7 @@
   . = 0x1000;
   _text = .;			/* Text and read-only data */
   .text : {
-	*(.text)
+	TEXT_TEXT
 	SCHED_TEXT
 	LOCK_TEXT
 	*(.fixup)