target/sparc: Reduce inclusions of 'exec/cpu-common.h'

Only 2 files require declarations from "exec/cpu-common.h".
Include it there once, instead than polluting all files
including "cpu.h".

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20251002145742.75624-7-philmd@linaro.org>
Reviewed-by: Manos Pitsidianakis <manos.pitsidianakis@linaro.org>

target/sparc/cpu.h

@@ -3,7 +3,6 @@
 
 #include "qemu/bswap.h"
 #include "cpu-qom.h"
-#include "exec/cpu-common.h"
 #include "exec/cpu-defs.h"
 #include "exec/cpu-interrupt.h"
 #include "qemu/cpu-float.h"

target/sparc/helper.c

@@ -21,6 +21,7 @@
 #include "cpu.h"
 #include "qemu/timer.h"
 #include "qemu/host-utils.h"
+#include "exec/cpu-common.h"
 #include "exec/helper-proto.h"
 
 void cpu_raise_exception_ra(CPUSPARCState *env, int tt, uintptr_t ra)

target/sparc/int64_helper.c

@@ -20,6 +20,7 @@
 #include "qemu/osdep.h"
 #include "qemu/main-loop.h"
 #include "cpu.h"
+#include "exec/cpu-common.h"
 #include "exec/helper-proto.h"
 #include "exec/log.h"
 #include "trace.h"