mbp_nvidia_bl: rename to apple_bl

It works on hardware other than Macbook Pros, and it works on GPUs other
than Nvidia.  It should even work on iMacs, so change the name to match
reality more precisely and include an alias so existing users don't get
confused.

Signed-off-by: Matthew Garrett <mjg@redhat.com>
Acked-by: Richard Purdie <richard.purdie@linuxfoundation.org>
Cc: Mourad De Clerck <mourad@aquazul.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/drivers/video/backlight/Kconfig b/drivers/video/backlight/Kconfig
index aa8cf9d..39fff49 100644
--- a/drivers/video/backlight/Kconfig
+++ b/drivers/video/backlight/Kconfig
@@ -244,11 +244,11 @@
 	  If you have a LCD backlight connected to the WLED output of MAX8925
 	  WLED output, say Y here to enable this driver.
 
-config BACKLIGHT_MACBOOK
-       tristate "MacBook Backlight Driver"
+config BACKLIGHT_APPLE
+       tristate "Apple Backlight Driver"
        depends on X86
        help
-         If you have an Apple Macbook say Y to enable a driver for its
+         If you have an Intel-based Apple say Y to enable a driver for its
 	 backlight
 
 config BACKLIGHT_TOSA