package/freescale-imx/imx-gpu-g2d: re-install headers to staging
Commit 44355f799805 ("package/freescale-imx/imx-gpu-g2d: install the
specific library for i.MX8MM") accidentally remove the headers'
installation to the staging directory. Fix that.
Fixes: 44355f799805 ("package/freescale-imx/imx-gpu-g2d: install the specific library for i.MX8MM")
Signed-off-by: Sébastien Szymanski <sebastien.szymanski@armadeus.com>
Signed-off-by: Julien Olivain <ju.o@free.fr>