mlx4_en: Fix QP number calculation according to module param
mlx4_en: Fix QP number calculation according to module param

Number of bits taken from mac table index in QP
calculation should be based on log_num_mac parameter.

Signed-off-by: Alexander Guller <59ce0f63e40328cff03fa578b2b98f47829af4e6@mellanox.co.il>
Signed-off-by: David S. Miller <fe08d3c717adf2ae63592e4c9aec6e3e404d8e3e@davemloft.net>

KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs