netdev-dpdk: Document status options for VF MAC address. #1886

Job	Run time
osx clang --disable-ssl	4m 3s
linux gcc --disable-ssl	3m 20s
linux clang --disable-ssl	2m 58s
linux gcc c99	4m 34s
linux clang c99	3m 9s
linux gcc test 3.16	12m 57s
linux clang test 3.16 asan	18m 14s
linux gcc test --enable-shared	14m 2s
linux clang test --enable-shared	16m 34s
linux gcc test dpdk	13m 1s
linux clang test dpdk	12m 39s
linux gcc test -ljemalloc	10m 42s
linux clang test -ljemalloc	10m 4s
linux gcc 5.8 5.5 5.4 4.19	7m 32s
linux clang 5.8 5.5 5.4 4.19	8m 27s
linux gcc 4.14 4.9 4.4 3.16	6m 9s
linux clang 4.14 4.9 4.4 3.16	7m 4s
linux gcc afxdp 5.3	4m 15s
linux clang afxdp 5.3	4m 12s
linux gcc dpdk --enable-shared	6m 25s
linux clang dpdk --enable-shared	4m 29s
linux gcc dpdk-shared	3m 40s
linux clang dpdk-shared	3m 29s
linux gcc dpdk-shared --enable-shared	4m 44s
linux clang dpdk-shared --enable-shared	5m 2s
linux gcc m32 --disable-ssl	3m 27s
linux gcc deb	7m 15s
	3h 22m 27s

Provide feedback