staging:r8723bs: remove wrappers around skb_clone() and remove unnecessary in_interrupt() call

Wrappers around skb_clone() do not simplify the driver code.

The skb_clone() is always called from an interrupt handler,
so use GFP_ATOMIC allocation only.

Signed-off-by: Ivan Safonov <insafonov@gmail.com>
Link: https://lore.kernel.org/r/20200531181751.41830-1-insafonov@gmail.com


Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>