sh: trivial build cleanups.

Several errors were spotted during building for custom config (SMP
included). Although SMP still does not compile (no ipi and
__smp_call_function) and does not work, this looks a bit cleaner.
Some other errors obtained via gcc-4.1.0 build.

Signed-off-by: Evgeniy Polyakov <johnpol@2ka.mipt.ru>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
diff --git a/include/asm-sh/cpu-sh4/freq.h b/include/asm-sh/cpu-sh4/freq.h
index 86564e7..39f41fc 100644
--- a/include/asm-sh/cpu-sh4/freq.h
+++ b/include/asm-sh/cpu-sh4/freq.h
@@ -24,6 +24,9 @@
 #define FRQMR1			0xffc80014
 #else
 #define FRQCR			0xffc00000
+#define FRQCR_PSTBY		0x0200
+#define FRQCR_PLLEN		0x0400
+#define FRQCR_CKOEN		0x0800
 #endif
 #define MIN_DIVISOR_NR		0
 #define MAX_DIVISOR_NR		3