staging: qlge: qlge_mpi: Simplify while statements.

Simplify while loops into more readable and simple for loops.

Signed-off-by: Suraj Upadhyay <usuraj35@gmail.com>
Link: https://lore.kernel.org/r/6eb96e8c074bbdee3838b6421d25b50f1faffb3d.1594642213.git.usuraj35@gmail.com


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