staging: vme_user: Replace the "<<" with BIT macro

Replace the "<<" operator with BIT macro, in accordance to the
checkpatch.pl script and Linux kernel coding-style guidelines.

Signed-off-by: Abhirup Deb <abhirupdeb@linux.vnet.ibm.com>
Link: https://lore.kernel.org/r/Y8O5DN9ehby8K487@li-27defe4c-32e1-11b2-a85c-e202e9981075.ibm.com


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