remoteproc: Prevent incorrect rproc state on xfer mem ownership failure

remoteproc: Prevent incorrect rproc state on xfer mem ownership failure

commit 2724807f7f70a6a3e67b3f6bf921cc77ed39c8a1 upstream.

Any failure in the secure call for transferring mem ownership of mba
region to Q6 would result in reporting that the remoteproc device
is running. This is because the previous q6v5_clk_enable would have
been a success. Prevent this by updating variable 'ret' accordingly.

Cc: stable@vger.kernel.org
Signed-off-by: Sibi Sankar <sibis@codeaurora.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>