package/mesa3d: fix comment for iris gallium driver

Buildroot commit 600e75b606 "remove depends on architecture for Iris/
Vulkan" forgot to remove the dependency for the comment of the iris
driver.

Signed-off-by: Bernd Kuhls <bernd@kuhls.net>
Signed-off-by: Julien Olivain <ju.o@free.fr>

package/mesa3d/Config.in

@@ -138,7 +138,6 @@ config BR2_PACKAGE_MESA3D_GALLIUM_DRIVER_IRIS
 	  Mesa driver for iris-based Intel GPUs.
 
 comment "iris driver needs llvm"
-	depends on BR2_i386 || BR2_x86_64
 	depends on !BR2_PACKAGE_MESA3D_LLVM
 
 config BR2_PACKAGE_MESA3D_GALLIUM_DRIVER_LIMA