Staging: wilc1000: Unnecessary 'out of memory' message

This patch fixes checkpatch.pl warning in file host_interface.c
WARNING : possible unecessary 'out of memory' message.

Signed-off-by: Mihaela Muraru <mihaela.muraru21@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>