Rename EMULATE_DO_PAPR to EMULATE_EXIT_USER

Instruction emulation return EMULATE_DO_PAPR when it requires
exit to userspace on book3s. Similar return is required
for booke. EMULATE_DO_PAPR reads out to be confusing so it is
renamed to EMULATE_EXIT_USER.

Signed-off-by: Bharat Bhushan <bharat.bhushan@freescale.com>
Signed-off-by: Alexander Graf <agraf@suse.de>
diff --git a/arch/powerpc/kvm/book3s_emulate.c b/arch/powerpc/kvm/book3s_emulate.c
index 836c569..cdd19d6 100644
--- a/arch/powerpc/kvm/book3s_emulate.c
+++ b/arch/powerpc/kvm/book3s_emulate.c
@@ -194,7 +194,7 @@
 				run->papr_hcall.args[i] = gpr;
 			}
 
-			emulated = EMULATE_DO_PAPR;
+			emulated = EMULATE_EXIT_USER;
 			break;
 		}
 #endif