sh-sci: sh7722 lacks scsptr registers

The sh7722 serial ports all lack SCSPTR registers, so mark them as
nonexistent in the register table.

Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
diff --git a/drivers/serial/sh-sci.h b/drivers/serial/sh-sci.h
index 4d1c0e3..b0dac37 100644
--- a/drivers/serial/sh-sci.h
+++ b/drivers/serial/sh-sci.h
@@ -452,7 +452,11 @@
 SCIF_FNS(SCLSR,				0,  0, 0x28, 16)
 #else
 SCIF_FNS(SCFDR,                      0x0e, 16, 0x1C, 16)
+#if defined(CONFIG_CPU_SUBTYPE_SH7722)
+SCIF_FNS(SCSPTR,                        0,  0, 0, 0)
+#else
 SCIF_FNS(SCSPTR,                        0,  0, 0x20, 16)
+#endif
 SCIF_FNS(SCLSR,                         0,  0, 0x24, 16)
 #endif
 #endif