power: qpnp-qnovo5: Fix compile warnings

Fix the following compiler warning(s) from gcc 6.1.1 with -Werror enabled:

 drivers/power/supply/qcom/qpnp-qnovo5.c:309:
   format '%d' expects argument of type 'int', but argument 3
	has type 'long int' [-Werror=format=]
   pr_err("Couldn't get pinctrl rc=%d\n", PTR_ERR(chip->pinctrl));

Fixes: 072e8c0b ("power: qpnp-qnovo5: Support configuring external FET control")
Change-Id: Ic0dedbad1ee21b32263fbb1c7a9a37c2332156b8
Signed-off-by: Jordan Crouse <jcrouse@codeaurora.org>