libdrm: bump version to 2.4.17 as required by mesa 7.7

Signed-off-by: Joshua Lock <josh@linux.intel.com>

diff --git a/meta/packages/drm/libdrm-2.4.16/installtests.patch b/meta/packages/drm/libdrm-2.4.17/installtests.patch
similarity index 100%
rename from meta/packages/drm/libdrm-2.4.16/installtests.patch
rename to meta/packages/drm/libdrm-2.4.17/installtests.patch

diff --git a/meta/packages/drm/libdrm_2.4.16.bb b/meta/packages/drm/libdrm_2.4.17.bb
similarity index 100%
rename from meta/packages/drm/libdrm_2.4.16.bb
rename to meta/packages/drm/libdrm_2.4.17.bb