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/m32r/kernel/vmlinux.lds.S b/arch/m32r/kernel/vmlinux.lds.S
index bb1a2f5..4e2d5b9 100644
--- a/arch/m32r/kernel/vmlinux.lds.S
+++ b/arch/m32r/kernel/vmlinux.lds.S
@@ -50,7 +50,7 @@
   .data : {			/* Data */
 	*(.spu)
 	*(.spi)
-	*(.data)
+	DATA_DATA
 	CONSTRUCTORS
 	}