drivers/gpu/drm/gma500: 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: Dave Airlie <airlied@redhat.com>
CC: Alan Cox <alan@linux.intel.com>
CC: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>
Signed-off-by: NKees Cook <keescook@chromium.org>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/gpu/drm/gma500/Kconfig

 config DRM_GMA500
 	tristate "Intel GMA5/600 KMS Framebuffer"
-	depends on DRM && PCI && X86 && EXPERIMENTAL
+	depends on DRM && PCI && X86
 	select FB_CFB_COPYAREA
         select FB_CFB_FILLRECT
         select FB_CFB_IMAGEBLIT