ipmiutil: fix musl build issues
Add patches fixing a number of build failures under musl.
The first patch fixes the following autobuild failures:
http://autobuild.buildroot.net/results/bc8/
bc8f97f0739e5b842057fdf60eb9309c3e30fac1/
http://autobuild.buildroot.net/results/937/
937163f988bb3680630544f6c0ed45b18bc83511/
http://autobuild.buildroot.net/results/862/
862af4c6be4b78e65528195305653eedac4163c6/
and others.
Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>