max77759_charger: support dock power out usecase

Bug: 237977206
Signed-off-by: Jack Wu <[email protected]>
Change-Id: Ib4d1e9be7196d1c419ca91d9d6ed23937873c11b
diff --git a/google_bms.h b/google_bms.h
index 35abcf1..164ba57 100644
--- a/google_bms.h
+++ b/google_bms.h
@@ -527,6 +527,8 @@
 	GBMS_USB_OTG_FRS_ON	= 0x32,
 
 	GBMS_CHGR_MODE_WLC_TX	= 0x40,
+
+	GBMS_CHGR_MODE_VOUT	= 0x50,
 };
 
 #define GBMS_MODE_VOTABLE "CHARGER_MODE"