Also remove patch 0001-fix-build-flags.patch. The uCLibc issue is fixed
upstream.
Add patch taken and slighly adopted from the c-periphery package to fix build
issue with musl.
Build was tested with an uCLibc toolchain and a musl toolchain.
Signed-off-by: Jörg Krause <joerg.krause@embedded.rocks>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>