Merge branch 'rpmsg-linux-5.4.y' of git://git.ti.com/rpmsg/rpmsg into rpmsg-ti-linux-5.4.y

Pull in the updated rpmsg base feature branch that adds the support
to the rpmsg-proto driver for handling error recovery with active open
sockets.

The merge also includes a bug fix in the virtio rpmsg core to fix
various mutex circular/recursive dependency issues in rpmsg-rpc and
rpmsg-proto drivers during error recovery.

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

:
  rpmsg: fix lockdep warnings in virtio rpmsg bus driver
  net/rpmsg: unblock reader threads operating on errored sockets
  net/rpmsg: return ENOLINK upon Rx on errored sockets
  net/rpmsg: return ESHUTDOWN upon Tx on errored sockets
  net/rpmsg: add support to handle a remote processor error recovery

Signed-off-by: Suman Anna <s-anna@ti.com>