net: emaclite: Remove XEL_TSR_XMIT_ACTIVE_MASK flag

This flag is not documented anywhere in the latest documentation that's
why this patch removes it.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>
1 file changed