target/ppc: Fix msgclrp interrupt type

msgclrp matches msgsndp and should clear PPC_INTERRUPT_DOORBELL.

Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Message-Id: <20230530130714.373215-1-npiggin@gmail.com>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
diff --git a/target/ppc/excp_helper.c b/target/ppc/excp_helper.c
index 9ffcfe7..de6ad12 100644
--- a/target/ppc/excp_helper.c
+++ b/target/ppc/excp_helper.c
@@ -3071,7 +3071,7 @@
         return;
     }
 
-    ppc_set_irq(env_archcpu(env), PPC_INTERRUPT_HDOORBELL, 0);
+    ppc_set_irq(env_archcpu(env), PPC_INTERRUPT_DOORBELL, 0);
 }
 
 /*