pinctrl: qcom: apq8016: init pre-reloaction

On the DB410c we support running as a first stage bootloader. This
requires initialising the GPIOs which are muxed to UART before they can
be used. Add DM_FLAG_PRE_RELOC to the apq8016 pinctrl driver to ensure
that we do this early enough.

This is required to prevent the first few lines of UART log from being
dropped.

Reported-by: Sumit Garg <sumit.garg@linaro.org>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Reviewed-by: Sumit Garg <sumit.garg@linaro.org>
Tested-by: Sumit Garg <sumit.garg@linaro.org> #qcs404
Signed-off-by: Caleb Connolly <caleb.connolly@linaro.org>

drivers/pinctrl/qcom/pinctrl-apq8016.c

@@ -76,4 +76,5 @@ U_BOOT_DRIVER(pinctrl_apq8016) = {
 	.of_match	= msm_pinctrl_ids,
 	.ops		= &msm_pinctrl_ops,
 	.bind		= msm_pinctrl_bind,
+	.flags		= DM_FLAG_PRE_RELOC,
 };