mt76x0: configure MT_VHT_HT_FBK_CFG1

Configure MT_VHT_HT_FBK_CFG1 values similar like vendor driver.
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

drivers/net/wireless/mediatek/mt76/mt76x0/initvals.h

@@ -88,6 +88,7 @@ static const struct mt76_reg_pair mt76x0_mac_reg_table[] = {
 	{ MT_TX_PROT_CFG6,		0xe3f42004 },
 	{ MT_TX_PROT_CFG7,		0xe3f42084 },
 	{ MT_TX_PROT_CFG8,		0xe3f42104 },
+	{ MT_VHT_HT_FBK_CFG1,		0xedcba980 },
 };
 
 static const struct mt76_reg_pair mt76x0_bbp_init_tab[] = {