target/microblaze: Split out MicroBlazeCPUConfig

This struct was previously unnamed, and defined in MicroBlazeCPU.
Pull it out to its own typedef so that we can reuse it.

Tested-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

target/microblaze/cpu.h

@@ -291,23 +291,10 @@ struct CPUMBState {
     } pvr;
 };
 
-/**
+/*
- * MicroBlazeCPU:
+ * Microblaze Configuration Settings
- * @env: #CPUMBState
- *
- * A MicroBlaze CPU.
  */
-struct MicroBlazeCPU {
+typedef struct {
-    /*< private >*/
-    CPUState parent_obj;
-
-    /*< public >*/
-
-    CPUNegativeOffsetState neg;
-    CPUMBState env;
-
-    /* Microblaze Configuration Settings */
-    struct {
     bool stackprot;
     uint32_t base_vectors;
     uint8_t addr_size;
@@ -330,7 +317,23 @@ struct MicroBlazeCPU {
     uint32_t pvr_user2;
     char *version;
     uint8_t pvr;
-    } cfg;
+} MicroBlazeCPUConfig;
+
+/**
+ * MicroBlazeCPU:
+ * @env: #CPUMBState
+ *
+ * A MicroBlaze CPU.
+ */
+struct MicroBlazeCPU {
+    /*< private >*/
+    CPUState parent_obj;
+
+    /*< public >*/
+
+    CPUNegativeOffsetState neg;
+    CPUMBState env;
+    MicroBlazeCPUConfig cfg;
 };