sh: Fix up MTU2 support for SH7203.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig
index 5784bce..c6faad7 100644
--- a/arch/sh/Kconfig
+++ b/arch/sh/Kconfig
@@ -447,7 +447,8 @@
 			CPU_SUBTYPE_SH7763
 	default "86" if CPU_SUBTYPE_SH7619
 	default "140" if CPU_SUBTYPE_SH7206
-	default "142" if CPU_SUBTYPE_SH7203
+	default "142" if CPU_SUBTYPE_SH7203 && SH_CMT
+	default "153" if CPU_SUBTYPE_SH7203 && SH_MTU2
 	default "238" if CPU_SUBTYPE_MXG
 	default "16"