max77759_charger: add support for WLC Tx mode

Bug: 175745470
Signed-off-by: yihsiangpeng <[email protected]>
Change-Id: I58a096d8146cf2d4c427804f42dffd156bf1758c
diff --git a/google_bms.h b/google_bms.h
index d35d26f..dfca23e 100644
--- a/google_bms.h
+++ b/google_bms.h
@@ -334,6 +334,8 @@
 	GBMS_USB_BUCK_ON	= 0x30,
 	GBMS_USB_OTG_ON 	= 0x31,
 	GBMS_USB_OTG_FRS_ON	= 0x32,
+
+	GBMS_CHGR_MODE_WLC_TX	= 0x40,
 };
 
 #define GBMS_MODE_VOTABLE "CHARGER_MODE"