tcg: Don't declare TCG_TARGET_REG_BITS in tcg-target.h

It is now declared for all tcg targets in tcg.h,
so the tcg target specific declarations are redundant.

Signed-off-by: Stefan Weil <weil@mail.berlios.de>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
diff --git a/tcg/hppa/tcg-target.h b/tcg/hppa/tcg-target.h
index ed90efc..ec9a7bf 100644
--- a/tcg/hppa/tcg-target.h
+++ b/tcg/hppa/tcg-target.h
@@ -24,9 +24,7 @@
 
 #define TCG_TARGET_HPPA 1
 
-#if defined(_PA_RISC1_1)
-#define TCG_TARGET_REG_BITS 32
-#else
+#if TCG_TARGET_REG_BITS != 32
 #error unsupported
 #endif