sh: Change register name SCSPTR to SCSPTR2

This change a name of SCSPTR used in sci_rxd_in of SH5-101.
SCSPTR is not declared and will become the error.

Signed-off-by: Nobuhiro Iwamatsu <iwamatsu.nobuhiro@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
diff --git a/drivers/serial/sh-sci.h b/drivers/serial/sh-sci.h
index 257b223..96cae15 100644
--- a/drivers/serial/sh-sci.h
+++ b/drivers/serial/sh-sci.h
@@ -599,7 +599,7 @@
 #elif defined(CONFIG_CPU_SUBTYPE_SH5_101) || defined(CONFIG_CPU_SUBTYPE_SH5_103)
 static inline int sci_rxd_in(struct uart_port *port)
 {
-         return sci_in(port, SCSPTR)&0x0001 ? 1 : 0; /* SCIF */
+         return sci_in(port, SCSPTR2)&0x0001 ? 1 : 0; /* SCIF */
 }
 #elif defined(__H8300H__) || defined(__H8300S__)
 static inline int sci_rxd_in(struct uart_port *port)