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/sparc/kernel/entry.S b/arch/sparc/kernel/entry.S
index b448166..03ecb4e 100644
--- a/arch/sparc/kernel/entry.S
+++ b/arch/sparc/kernel/entry.S
@@ -17,7 +17,7 @@
 #include <asm/kgdb.h>
 #include <asm/contregs.h>
 #include <asm/ptrace.h>
-#include <asm/asm_offsets.h>
+#include <asm/asm-offsets.h>
 #include <asm/psr.h>
 #include <asm/vaddrs.h>
 #include <asm/memreg.h>