ARM: KVM: Fix kvm_set_pte assignment

THe kvm_set_pte function was actually assigning the entire struct to the
structure member, which should work because the structure only has that
one member, but it is still not very nice.
Acked-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Christoffer Dall <christoffer.dall@linaro.org>

arch/arm/include/asm/kvm_mmu.h

@@ -64,7 +64,7 @@ void kvm_clear_hyp_idmap(void);
 
 static inline void kvm_set_pte(pte_t *pte, pte_t new_pte)
 {
-	pte_val(*pte) = new_pte;
+	*pte = new_pte;
 	/*
 	 * flush_pmd_entry just takes a void pointer and cleans the necessary
 	 * cache entries, so we can reuse the function for ptes.