[ACPI] reduce use of EXPERIMENTAL in acpi/Kconfig

Distros are shipping modules we had marked EXPERIMENTAL,
so clearly it has lost some meaning.

Delete that dependency for shipping modules, retaining
it only for ACPI_HOTKEY and ACPI_CONTAINER to emphasize
that they lack testing on real hardware.

Signed-off-by: Len Brown <[e-mail]>

drivers/acpi/Kconfig

···
 if ACPI
 
 config ACPI_SLEEP
-	bool "Sleep States (EXPERIMENTAL)"
+	bool "Sleep States"
 	depends on X86 && (!SMP || SUSPEND_SMP)
-	depends on EXPERIMENTAL && PM
+	depends on PM
 	default y
 	---help---
 	  This option adds support for ACPI suspend states. 
···
 config ACPI_VIDEO
 	tristate "Video"
 	depends on X86
-	depends on EXPERIMENTAL
 	default m
 	help
 	  This driver implement the ACPI Extensions For Display Adapters
···
 	  for your integrated video device.
 
 config ACPI_HOTKEY
-	tristate "Generic Hotkey"
+	tristate "Generic Hotkey (EXPERIMENTAL)"
 	depends on EXPERIMENTAL
 	depends on X86
 	default n
···
 config X86_PM_TIMER
 	bool "Power Management Timer Support"
 	depends on X86
-	depends on EXPERIMENTAL
 	depends on !X86_64
 	default n
 	help