mk: pass verbose flag for kernel modules
mk: pass verbose flag for kernel modules

Linux kernel build system requires V=1 to enable verbose output, but
current DPDK framework just check if V is defined.

Fix: force V=1 when building Linux kernel modules if verbose output is
enabled.

Signed-off-by: Sergio Gonzalez Monroy <efb28dd1236fe58fb57f933212eddfe89b9da704@intel.com>
Acked-by: Pablo de Lara <28355d9cfe41bb8148aea0fb24f47aae8f4217a1@intel.com>
Acked-by: Thomas Monjalon <ee2fa8b2681c737f775687e475dcbf2028a412f1@6wind.com>

phermansson/dpdk,phermansson/dpdk,phermansson/dpdk,phermansson/dpdk