raw/cnxk_bphy: fix device lookup
raw/cnxk_bphy: fix device lookup

Name needs to be prepared before the lookup otherwise
PMD will not be released.

Fixes: 24d9c5d59d5d ("raw/cnxk_bphy: add baseband PHY skeleton driver")
Cc: stable@dpdk.org

Signed-off-by: Tomasz Duszynski <633d92d81dad79f3dd6b2ef4246549674ed00da2@marvell.com>
Reviewed-by: Jerin Jacob <352c4d4f9291b869992ddb67daa45ddc149fed30@marvell.com>

john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk