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>

target-microblaze/cpu.h

@@ -350,4 +350,17 @@ static inline void cpu_get_tb_cpu_state(CPUState *env, target_ulong *pc,
 void do_unassigned_access(target_phys_addr_t addr, int is_write, int is_exec,
                           int is_asi, int size);
 #endif
+
+static inline bool cpu_has_work(CPUState *env)
+{
+    return env->interrupt_request & (CPU_INTERRUPT_HARD | CPU_INTERRUPT_NMI);
+}
+
+#include "exec-all.h"
+
+static inline void cpu_pc_from_tb(CPUState *env, TranslationBlock *tb)
+{
+    env->sregs[SR_PC] = tb->pc;
+}
+
 #endif