bsd-user: Don't overuse CPUState

Use CPU*State where applicable.

Signed-off-by: Andreas Färber <afaerber@suse.de>
diff --git a/bsd-user/main.c b/bsd-user/main.c
index c3af395..78533d5 100644
--- a/bsd-user/main.c
+++ b/bsd-user/main.c
@@ -63,7 +63,7 @@
 }
 
 #if defined(TARGET_I386)
-int cpu_get_pic_interrupt(CPUState *env)
+int cpu_get_pic_interrupt(CPUX86State *env)
 {
     return -1;
 }
@@ -109,7 +109,7 @@
 /***********************************************************/
 /* CPUX86 core interface */
 
-void cpu_smm_update(CPUState *env)
+void cpu_smm_update(CPUX86State *env)
 {
 }