arm64: Stop using cpu_tlb_flushID in kexec

It will be removed soon & replaces with pmap_s1_invalidate_all_kernel.
This allows us to handle errata that cpu_tlb_flushID is missing
workarounds for.

Sponsored by:	Arm Ltd

sys/arm64/arm64/kexec_support.c

@@ -148,7 +148,7 @@ kexec_reboot_md(struct kexec_image *image)
 
 	reg = pmap_kextract((vm_offset_t)pagetable_l0_ttbr0_bootstrap);
 	set_ttbr0(reg);
-	cpu_tlb_flushID();
+	pmap_s1_invalidate_all_kernel();
 
 	typeof(kexec_reboot_bottom) *p = (void *)ptr;
 	switch_stack((void *)pmap_kextract((vm_offset_t)initstack_end),