PCI: qcom: Don't unroll init if ->init() fails

When the init op fails it will restore the state of the resources, so we
should not disable them one more time when this happens.

Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Stanimir Varbanov <svarbanov@mm-sol.com>