acpi.4: Update sysctl descriptions with new stype names

Sponsored by:	The FreeBSD Foundation

share/man/man4/acpi.4

@@ -23,7 +23,7 @@
 .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 .\" SUCH DAMAGE.
 .\"
-.Dd March 21, 2026
+.Dd May 27, 2026
 .Dt ACPI 4
 .Os
 .Sh NAME
@@ -123,7 +123,8 @@ Some newer systems require use of this register, while some only work
 with legacy rebooting support.
 .It Va hw.acpi.lid_switch_state
 Sleep type
-.Pq Li awake , Li standby , Li s2mem , Li s2idle , Li hibernate , Li poweroff
+.Pq Li awake , Li standby , Li fw_suspend , Li suspend_to_idle , \
+Li fw_hibernate , Li poweroff
 to enter when the lid switch (i.e., a notebook screen) is closed, or
 .Dq Li NONE
 .Pq do nothing .
@@ -131,7 +132,8 @@ Default is
 .Dq Li NONE .
 .It Va hw.acpi.power_button_state
 Sleep type
-.Pq Li awake , Li standby , Li s2mem , Li s2idle , Li hibernate , Li poweroff
+.Pq Li awake , Li standby , Li fw_suspend , Li suspend_to_idle , \
+Li fw_hibernate , Li poweroff
 to enter when the power button is pressed, or
 .Dq Li NONE
 .Pq do nothing .
@@ -152,13 +154,14 @@ Most current systems do not support
 .Li S4BIOS .
 .It Va hw.acpi.sleep_button_state
 Sleep type
-.Pq Li awake , Li standby , Li s2mem , Li s2idle , Li hibernate , Li poweroff
+.Pq Li awake , Li standby , Li fw_suspend , Li suspend_to_idle , \
+Li fw_hibernate , Li poweroff
 to enter when the sleep button is pressed.
 This is usually a special function button on the keyboard.
 Default is usually
-.Li s2mem
+.Li fw_suspend
 if supported, and
-.Li s2idle
+.Li suspend_to_idle
 if not.
 .It Va hw.acpi.sleep_delay
 Wait this number of seconds between preparing the system to suspend and