dev: pmic: Add PM660 POFF read support

Add support to read Power OFF reason status register from
PM660 PON Base for SDM429w target.

Change-Id: I90c3cff28ef838facae5d32eaa0400a36cff6f26
Signed-off-by: Umang Agrawal <uagrawal@codeaurora.org>
diff --git a/dev/pmic/pm8x41/pm8x41.c b/dev/pmic/pm8x41/pm8x41.c
index 6575f95..fb6e180 100644
--- a/dev/pmic/pm8x41/pm8x41.c
+++ b/dev/pmic/pm8x41/pm8x41.c
@@ -671,6 +671,16 @@
 	return pon_reason;
 }
 
+uint8_t pm660_get_pon_poff_reason1()
+{
+	return REG_READ(PM660_PON_POFF_REASON1);
+}
+
+uint8_t pm660_get_pon_poff_reason2()
+{
+	return REG_READ(PM660_PON_POFF_REASON2);
+}
+
 uint8_t pm8x41_get_pon_poff_reason1()
 {
 	return REG_READ(PON_POFF_REASON1);