[PATCH] common/idpf: remove unnecessary compile option

[Stephen Hemminger]

On Mon, 24 Apr 2023 18:47:00 -0400
Qi Zhang <qi.z.zhang at intel.com> wrote:

> Remove compile option "__KERNEL" which should not be considered in
> DPDK. Also only #include <rte_xxx> in idpf_osdep.h.
> 
> Signed-off-by: Qi Zhang <qi.z.zhang at intel.com>

This will cause some warnings in DPDK build depending on compiler
version and flags.  You need to leave the fallthrough comment or
use one of the other fallthrough annotations.