board/esd/cpci405/cpci405.c: Fix compile warning

Fix this:
cpci405.c: In function 'do_get_bpip':
cpci405.c:737:4: warning: format '%ld' expects type 'long int', but argument 3 has type 'IPaddr_t'
cpci405.c:737:4: warning: format '%ld' expects type 'long int', but argument 4 has type 'IPaddr_t'
cpci405.c:737:4: warning: format '%ld' expects type 'long int', but argument 5 has type 'IPaddr_t'
cpci405.c:737:4: warning: format '%ld' expects type 'long int', but argument 6 has type 'IPaddr_t'
cpci405.c:700:8: warning: unused variable 'bd'

Signed-off-by: Joe Hershberger <joe.hershberger@ni.com>