Merged TI feature rpmsg into ti-linux-5.4.y

TI-Feature: rpmsg
TI-Branch: rpmsg-ti-linux-5.4.y-intg

* 'rpmsg-ti-linux-5.4.y-intg' of git://git.ti.com/rpmsg/rpmsg

:
  arm64: dts: ti: k3-j721e-main: Configure MAIN R5FSS1 for Split-mode
  ti_config_fragments: rpmsg/v8_rpmsg: Enable rpmsg_char driver

Signed-off-by: LCPD Auto Merger <lcpd_integration@list.ti.com>