sh: Move voyagergx_reg.h to a more sensible place.

Other boards require this as well, so move it out of the
rts7751r2d directory.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
diff --git a/arch/sh/cchips/voyagergx/irq.c b/arch/sh/cchips/voyagergx/irq.c
index 036e8f9..4cfa7c9 100644
--- a/arch/sh/cchips/voyagergx/irq.c
+++ b/arch/sh/cchips/voyagergx/irq.c
@@ -32,7 +32,7 @@
 
 #include <asm/io.h>
 #include <asm/irq.h>
-#include <asm/mach/voyagergx_reg.h>
+#include <asm/voyagergx.h>
 
 static void disable_voyagergx_irq(unsigned int irq)
 {