dra7xx: linux: rename kernel recipe to make version agnostic

Change-Id: Id33c8f4c1d75aa6adf1b276995fc7991603c41cb
Signed-off-by: Karthik Ramanan <a0393906@ti.com>

diff --git a/meta-agl-bsp/meta-ti/recipes-kernel/linux/linux-ti-staging_4.4.bbappend b/meta-agl-bsp/meta-ti/recipes-kernel/linux/linux-ti-staging_%.bbappend
similarity index 100%
rename from meta-agl-bsp/meta-ti/recipes-kernel/linux/linux-ti-staging_4.4.bbappend
rename to meta-agl-bsp/meta-ti/recipes-kernel/linux/linux-ti-staging_%.bbappend