netdev-dpdk: Re-enable outer UDP checksum for net/ice. #582

Job	Run time
dpdk gcc	6s
osx clang --disable-ssl	3m 38s
linux rpm fedora	4m 20s
linux deb no dpdk	5m 44s
clang-analyze	11m 34s
linux gcc --disable-ssl	2m 21s
linux clang --disable-ssl	2m 35s
linux gcc c99	2m 30s
linux clang c99	2m 31s
linux gcc test	5m 59s
linux clang address,undefined test	11m 31s
linux gcc test --enable-shared	5m 54s
linux clang test --enable-shared	11m 10s
linux gcc check check-dpdk dpdk	1m 47s
linux clang check check-dpdk dpdk	11m 33s
linux gcc test -ljemalloc	5m 24s
linux clang test -ljemalloc	8m 38s
linux gcc --enable-afxdp	2m 23s
linux clang --enable-afxdp	2m 45s
linux gcc dpdk --enable-shared	1m 51s
linux clang dpdk --enable-shared	3m 26s
linux gcc dpdk-shared	1m 33s
linux clang dpdk-shared	2m 48s
linux gcc dpdk-shared --enable-shared	1m 50s
linux clang dpdk-shared --enable-shared	3m 38s
linux gcc m32 --disable-ssl	2m 25s
linux gcc check-ovsdb-cluster	6m 40s
linux gcc check-kernel -100	9m 3s
linux gcc check-kernel 100-	8m 57s
linux clang address,undefined check-kernel -100	11m 28s
linux clang address,undefined check-kernel 100-	11m 34s
linux gcc check-offloads -100	8m 59s
linux gcc check-offloads 100-	7m 11s
linux gcc dpdk check-system-userspace	1m 28s
linux clang address,undefined dpdk check-system-userspace	11m 33s
linux gcc dpdk check-system-tso	1m 53s
linux gcc dpdk check-afxdp	1m 31s
	3h 20m 11s

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