LF-40 ARM: imx_v6_v7_defconfig: remove HCI SDIO config

IMX bluetooth support interface is HCI UART. Remove HCI SDIO
interface since there have HIF conflict for cypress bluetooth.

Reviewed-by: Richard Zhu <hongxing.zhu@nxp.com>
Signed-off-by: Fugang Duan <fugang.duan@nxp.com>

arch/arm/configs/imx_v6_v7_defconfig

@@ -78,7 +78,6 @@ CONFIG_BT_BNEP_MC_FILTER=y
 CONFIG_BT_BNEP_PROTO_FILTER=y
 CONFIG_BT_HIDP=y
 CONFIG_BT_HCIBTUSB=y
-CONFIG_BT_HCIBTSDIO=y
 CONFIG_BT_HCIUART=y
 CONFIG_BT_HCIUART_BCSP=y
 CONFIG_BT_HCIUART_LL=y