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

With this consolidation we can now modify the .data
section definition in one spot for all archs.

Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
diff --git a/arch/sh/kernel/vmlinux.lds.S b/arch/sh/kernel/vmlinux.lds.S
index 2367869..4c5b57e 100644
--- a/arch/sh/kernel/vmlinux.lds.S
+++ b/arch/sh/kernel/vmlinux.lds.S
@@ -41,7 +41,7 @@
   BUG_TABLE
 
   .data : {			/* Data */
-	*(.data)
+	DATA_DATA
 
  	 /* Align the initial ramdisk image (INITRD) on page boundaries. */
  	 . = ALIGN(PAGE_SIZE);