ACPI: arm64: Sort entries alphabetically

Sort the entries in the Makefile alphabetically.

Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
Acked-by: Hanjun Guo <guohanjun@huawei.com>
Link: https://lore.kernel.org/r/20240605131458.3341095-2-sudeep.holla@arm.com


Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>