meta-ti-bsp: linux-bb.org: add bbappend to apply AGL config fragments

meta-ti-bsp: linux-bb.org: add bbappend to apply AGL config fragments

Add bbappend to apply AGL kernel config fragments to the new linux-bb.org
kernel recipe used in meta-ti-bsp for Beagle platforms now.

Bug-AGL: SPEC-4785

Change-Id: I2ca57d4a70b296fd00e72520ada267d96a149a21
Signed-off-by: Denys Dmytriyenko <denys@konsulko.com>
Reviewed-on: https://gerrit.automotivelinux.org/gerrit/c/AGL/meta-agl/+/28857
Tested-by: Jenkins Job builder account
ci-image-build: Jenkins Job builder account
ci-image-boot-test: Jenkins Job builder account
Reviewed-by: Jan-Simon Moeller <jsmoeller@linuxfoundation.org>
(cherry picked from commit 07c3fbfb7716c290bdcf3931f27bea1a36fb6520)
Reviewed-on: https://gerrit.automotivelinux.org/gerrit/c/AGL/meta-agl/+/28842