SAMSUNG: serial: modify name from s5pc1xx to s5p

Because of other s5p series SoC will use these serial functions,
modify function's name and structure's name.

Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
diff --git a/common/serial.c b/common/serial.c
index 5f9ffd7..94e1921 100644
--- a/common/serial.c
+++ b/common/serial.c
@@ -71,13 +71,13 @@
 #endif
 #elif defined(CONFIG_S5PC1XX)
 #if defined(CONFIG_SERIAL0)
-	return &s5pc1xx_serial0_device;
+	return &s5p_serial0_device;
 #elif defined(CONFIG_SERIAL1)
-	return &s5pc1xx_serial1_device;
+	return &s5p_serial1_device;
 #elif defined(CONFIG_SERIAL2)
-	return &s5pc1xx_serial2_device;
+	return &s5p_serial2_device;
 #elif defined(CONFIG_SERIAL3)
-	return &s5pc1xx_serial3_device;
+	return &s5p_serial3_device;
 #else
 #error "CONFIG_SERIAL? missing."
 #endif
@@ -154,10 +154,10 @@
 	serial_register(&s3c24xx_serial2_device);
 #endif
 #if defined(CONFIG_S5PC1XX)
-	serial_register(&s5pc1xx_serial0_device);
-	serial_register(&s5pc1xx_serial1_device);
-	serial_register(&s5pc1xx_serial2_device);
-	serial_register(&s5pc1xx_serial3_device);
+	serial_register(&s5p_serial0_device);
+	serial_register(&s5p_serial1_device);
+	serial_register(&s5p_serial2_device);
+	serial_register(&s5p_serial3_device);
 #endif
 	serial_assign (default_serial_console ()->name);
 }