phy: usb: bdc: Fix occasional failure with BDC on 7211

The BDC "Read Transaction Size" needs to be changed from 1024
bytes to 256 bytes to prevent occasional transaction failures.

Signed-off-by: Al Cooper <alcooperx@gmail.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>

drivers/phy/broadcom/phy-brcm-usb-init.h

@@ -19,6 +19,7 @@ enum brcmusb_reg_sel {
 	BRCM_REGS_XHCI_GBL,
 	BRCM_REGS_USB_PHY,
 	BRCM_REGS_USB_MDIO,
+	BRCM_REGS_BDC_EC,
 	BRCM_REGS_MAX
 };