PPC: MPIC: Fix CI bit definitions

The bit definitions for critical interrupt routing are in PowerPC order
(most significant bit is 0), while we end up shifting it with normal bit
order. Turn the numbers around so we actually end up fetching the
right ones.

Signed-off-by: Alexander Graf <agraf@suse.de>

hw/openpic.c

@@ -131,11 +131,11 @@ enum {
 #define MPIC_CPU_REG_SIZE         0x100 + ((MAX_CPU - 1) * 0x1000)
 
 enum mpic_ide_bits {
-    IDR_EP     = 0,
-    IDR_CI0     = 1,
-    IDR_CI1     = 2,
-    IDR_P1     = 30,
-    IDR_P0     = 31,
+    IDR_EP     = 31,
+    IDR_CI0     = 30,
+    IDR_CI1     = 29,
+    IDR_P1     = 1,
+    IDR_P0     = 0,
 };
 
 #else