Blackfin: gptimers: add group structure for hardware register layout

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
diff --git a/arch/blackfin/include/asm/gptimers.h b/arch/blackfin/include/asm/gptimers.h
index 38657da..9275804 100644
--- a/arch/blackfin/include/asm/gptimers.h
+++ b/arch/blackfin/include/asm/gptimers.h
@@ -209,6 +209,15 @@
 	u32 width;
 };
 
+/*
+ * bfin group timer registers layout
+ */
+struct bfin_gptimer_group_regs {
+	__BFP(enable);
+	__BFP(disable);
+	u32 status;
+};
+
 #undef __BFP
 
 #endif