Add Renesas ttySC* devices

Signed-off-by: Phil Edworthy <phil.edworthy@renesas.com>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>

target/generic/device_table.txt

@@ -76,6 +76,7 @@
 /dev/ttyCPM	c	666	0	0	204	46	0	1	4
 /dev/ttyAMA	c	666	0	0	204	64	0	1	4
 /dev/ttySAC	c	666	0	0	204	64	0	1	4
+/dev/ttySC	c	666	0	0	204	8	0	1	6
 /dev/ttyPSC	c	666	0	0	204	148	0	1	4
 /dev/ttyUL	c	666	0	0	204	187	0	1	4
 /dev/ttymxc	c	666	0	0	207	16	0	1	3