rtc: cmos: fix build on non-ACPI platforms

rtc: cmos: fix build on non-ACPI platforms

[ Upstream commit db4e955ae333567dea02822624106c0b96a2f84f ]

Now that rtc_wake_setup is called outside of cmos_wake_setup, it also need
to be defined on non-ACPI platforms.

Reported-by: kernel test robot <lkp@intel.com>
Link: https://lore.kernel.org/r/20221018203512.2532407-1-alexandre.belloni@bootlin.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Stable-dep-of: 83ebb7b3036d ("rtc: cmos: Disable ACPI RTC event on removal")
Signed-off-by: Sasha Levin <sashal@kernel.org>