kbuild: arm26,sparc use generic asm-offset support

Rename all includes to use asm-offsets.h to match generic name

Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
diff --git a/arch/arm26/lib/copy_page.S b/arch/arm26/lib/copy_page.S
index 2d79ee1..c7511a2 100644
--- a/arch/arm26/lib/copy_page.S
+++ b/arch/arm26/lib/copy_page.S
@@ -11,7 +11,7 @@
  */
 #include <linux/linkage.h>
 #include <asm/assembler.h>
-#include <asm/asm_offsets.h>
+#include <asm/asm-offsets.h>
 
 		.text
 		.align	5