Move cpu_has_work and cpu_pc_from_tb to cpu.h

Move functions cpu_has_work() and cpu_pc_from_tb() from exec.h to cpu.h. This is
needed by later patches.

Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
diff --git a/target-lm32/cpu.h b/target-lm32/cpu.h
index 8e2d26b..876b5be 100644
--- a/target-lm32/cpu.h
+++ b/target-lm32/cpu.h
@@ -241,4 +241,17 @@
     *cs_base = 0;
     *flags = 0;
 }
+
+static inline bool cpu_has_work(CPUState *env)
+{
+    return env->interrupt_request & CPU_INTERRUPT_HARD;
+}
+
+#include "exec-all.h"
+
+static inline void cpu_pc_from_tb(CPUState *env, TranslationBlock *tb)
+{
+    env->pc = tb->pc;
+}
+
 #endif