m32r: remove dead config symbols from M32R code

remove dead config symbols from M32R code

Signed-off-by: Jiri Olsa <olsajiri@gmail.com>
Cc: Hirokazu Takata <takata@linux-m32r.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/include/asm-m32r/irq.h b/include/asm-m32r/irq.h
index 2f93f47..242028b 100644
--- a/include/asm-m32r/irq.h
+++ b/include/asm-m32r/irq.h
@@ -3,7 +3,7 @@
 #define _ASM_M32R_IRQ_H
 
 
-#if defined(CONFIG_PLAT_M32700UT_Alpha) || defined(CONFIG_PLAT_USRV)
+#if defined(CONFIG_PLAT_USRV)
 /*
  * IRQ definitions for M32700UT
  *  M32700 Chip: 64 interrupts