sh: Fix timer-tmu build for SH-3.

With the TMU register definitions being renamed on SH-4, SH-3 ended up
breaking. Update the TSTR define to match the SH-4 convention.
Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>

include/asm-sh/cpu-sh3/timer.h

@@ -29,7 +29,7 @@
 #endif
 
 #if defined(CONFIG_CPU_SUBTYPE_SH7300) || defined(CONFIG_CPU_SUBTYPE_SH7710)
-#define TMU_TSTR	0xa412fe92	/* Byte access */
+#define TMU_012_TSTR	0xa412fe92	/* Byte access */
 
 #define TMU0_TCOR	0xa412fe94	/* Long access */
 #define TMU0_TCNT	0xa412fe98	/* Long access */
@@ -44,7 +44,7 @@
 #define TMU2_TCR	0xa412feb4	/* Word access */
 
 #else
-#define TMU_TSTR	0xfffffe92	/* Byte access */
+#define TMU_012_TSTR	0xfffffe92	/* Byte access */
 
 #define TMU0_TCOR	0xfffffe94	/* Long access */
 #define TMU0_TCNT	0xfffffe98	/* Long access */