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 --cc arch/powerpc/include/asm/kvm_ppc.h
Simple merge

diff --cc arch/powerpc/kvm/book3s_emulate.c
Simple merge

diff --cc arch/powerpc/kvm/book3s_pr.c
Simple merge