mfd: pm8xxx: misc: add reset api for PM8038 and PM8917

Add support for pm8xxx_reset_pwr_off API for PM8038 and PM8917 to
allow shutdown and reboot of the system to function properly.

Change-Id: I1d22b9daec1cc36606a83a7e0665f00590d67463
Signed-off-by: David Keitel <dkeitel@codeaurora.org>
diff --git a/drivers/mfd/pm8xxx-misc.c b/drivers/mfd/pm8xxx-misc.c
index 64c0bd1..a311029 100644
--- a/drivers/mfd/pm8xxx-misc.c
+++ b/drivers/mfd/pm8xxx-misc.c
@@ -502,6 +502,8 @@
 		case PM8XXX_VERSION_8901:
 			rc = __pm8901_reset_pwr_off(chip, reset);
 			break;
+		case PM8XXX_VERSION_8038:
+		case PM8XXX_VERSION_8917:
 		case PM8XXX_VERSION_8921:
 			rc = __pm8921_reset_pwr_off(chip, reset);
 			break;