arm64: xen: Use modern annotations for assembly functions

In an effort to clarify and simplify the annotation of assembly functions
in the kernel new macros have been introduced. These replace ENTRY and
ENDPROC. Update the annotations in the xen code to the new macros.
Signed-off-by: Mark Brown <broonie@kernel.org>
Reviewed-by: Julien Grall <julien@xen.org>
Reviewed-by: Stefano Stabellini <sstabellini@kernel.org>
Signed-off-by: Will Deacon <will@kernel.org>

arch/arm64/xen/hypercall.S

@@ -56,11 +56,11 @@
 #define XEN_IMM 0xEA1
 
 #define HYPERCALL_SIMPLE(hypercall)		\
-ENTRY(HYPERVISOR_##hypercall)			\
+SYM_FUNC_START(HYPERVISOR_##hypercall)		\
 	mov x16, #__HYPERVISOR_##hypercall;	\
 	hvc XEN_IMM;				\
 	ret;					\
-ENDPROC(HYPERVISOR_##hypercall)
+SYM_FUNC_END(HYPERVISOR_##hypercall)
 
 #define HYPERCALL0 HYPERCALL_SIMPLE
 #define HYPERCALL1 HYPERCALL_SIMPLE
@@ -86,7 +86,7 @@ HYPERCALL2(multicall);
 HYPERCALL2(vm_assist);
 HYPERCALL3(dm_op);
 
-ENTRY(privcmd_call)
+SYM_FUNC_START(privcmd_call)
 	mov x16, x0
 	mov x0, x1
 	mov x1, x2
@@ -109,4 +109,4 @@ ENTRY(privcmd_call)
 	 */
 	uaccess_ttbr0_disable x6, x7
 	ret
-ENDPROC(privcmd_call);
+SYM_FUNC_END(privcmd_call);