staging: rdma: amso1100: c2: Remove wrapper function

This patch removes the c2_print_macaddr() wrapper function which calls
the pr_debug standard kernel function only.

c2_print_macaddr() has been replaced by directly calling pr_debug().

Signed-off-by: Amitoj Kaur Chawla <amitoj1606@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>