[RCAR] Fix kernel-module-gles build

[RCAR] Fix kernel-module-gles build

* In the new RCAR BSP 5.5 one file missing from prevous BSP,
  this file was only a kind of a link. This patch just fix this missing
  file.

Bug-AGL: SPEC-4081

Signed-off-by: Ronan Le Martret <ronan.lemartret@iot.bzh>
Change-Id: Ia4cdf794b16aff8e12a64fcccfecce85336619e7
Reviewed-on: https://gerrit.automotivelinux.org/gerrit/c/AGL/meta-agl/+/26821
Tested-by: Jenkins Job builder account
ci-image-build: Jenkins Job builder account
ci-image-boot-test: Jenkins Job builder account
Reviewed-by: Harunobu Kurokawa <harunobu.kurokawa.dn@renesas.com>
Reviewed-by: Jan-Simon Moeller <jsmoeller@linuxfoundation.org>