drivers/iommu: remove depends on CONFIG_EXPERIMENTAL

The CONFIG_EXPERIMENTAL config item has not carried much meaning for a
while now and is almost always enabled by default. As agreed during the
Linux kernel summit, remove it from any "depends on" lines in Kconfigs.

CC: Joerg Roedel <joerg.roedel@amd.com>
CC: Hiroshi DOYU <hdoyu@nvidia.com>
CC: Jiri Kosina <jkosina@suse.cz>
CC: Kukjin Kim <kgene.kim@samsung.com>
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/iommu/Kconfig

@@ -65,8 +65,8 @@ config AMD_IOMMU_STATS
 	  If unsure, say N.
 
 config AMD_IOMMU_V2
-	tristate "AMD IOMMU Version 2 driver (EXPERIMENTAL)"
-	depends on AMD_IOMMU && PROFILING && EXPERIMENTAL
+	tristate "AMD IOMMU Version 2 driver"
+	depends on AMD_IOMMU && PROFILING
 	select MMU_NOTIFIER
 	---help---
 	  This option enables support for the AMD IOMMUv2 features of the IOMMU
@@ -119,8 +119,8 @@ config INTEL_IOMMU_FLOPPY_WA
 	  16MiB to make floppy (an ISA device) work.
 
 config IRQ_REMAP
-	bool "Support for Interrupt Remapping (EXPERIMENTAL)"
-	depends on X86_64 && X86_IO_APIC && PCI_MSI && ACPI && EXPERIMENTAL
+	bool "Support for Interrupt Remapping"
+	depends on X86_64 && X86_IO_APIC && PCI_MSI && ACPI
 	select DMAR_TABLE
 	---help---
 	  Supports Interrupt remapping for IO-APIC and MSI devices.