net/ice/base: remove unnecessary braces

This patch mainly does cleanups related to unnecessary braces.
There might be different opinion to keep braces if more than
single line, but the purpose here is trying to sync DPDK's base
code with kernel's copy and its more convenient for future update.

Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Signed-off-by: Paul M Stillwell Jr <paul.m.stillwell.jr@intel.com>
Signed-off-by: Qi Zhang <qi.z.zhang@intel.com>
Acked-by: Qiming Yang <qiming.yang@intel.com>