all archs: consolidate init and exit sections in vmlinux.lds.h

This patch consolidate all definitions of .init.text, .init.data
and .exit.text, .exit.data section definitions in
the generic vmlinux.lds.h.

This is a preparational patch - alone it does not buy
us much good.

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

arch/avr32/kernel/vmlinux.lds.S

@@ -27,19 +27,19 @@ SECTIONS
 		__init_begin = .;
 			_sinittext = .;
 			*(.text.reset)
-			*(.init.text)
+			INIT_TEXT
 			/*
 			 * .exit.text is discarded at runtime, not
 			 * link time, to deal with references from
 			 * __bug_table
 			 */
-			*(.exit.text)
+			EXIT_TEXT
 			_einittext = .;
 		. = ALIGN(4);
 		__tagtable_begin = .;
 			*(.taglist.init)
 		__tagtable_end = .;
-			*(.init.data)
+			INIT_DATA
 		. = ALIGN(16);
 		__setup_start = .;
 			*(.init.setup)
@@ -135,7 +135,7 @@ SECTIONS
 	 * thrown away, as cleanup code is never called unless it's a module.
 	 */
 	/DISCARD/       	: {
-		*(.exit.data)
+		EXIT_DATA
 		*(.exitcall.exit)
 	}