[PATCH -next] Bluetooth: btmtksdio: use NULL instead of zero

[Marcel Holtmann]

Hi Yue,

> Fix sparse warnings:
> 
> drivers/bluetooth/btmtksdio.c:499:57: warning: Using plain integer as NULL pointer
> drivers/bluetooth/btmtksdio.c:533:57: warning: Using plain integer as NULL pointer
> 
> Signed-off-by: YueHaibing <yuehaibing at huawei.com>
> ---
> drivers/bluetooth/btmtksdio.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)

patch has been applied to bluetooth-next tree.

Regards

Marcel