[Thomas:
- Add dependency on BR2_TOOLCHAIN_HAS_THREADS
- Improve Config.in help text
- Fixup comment header in .mk file.
- Use github helper.
- Remove hash file (we're downloading from Git)
- Fixup LICENSE_FILES
- Remove LIBWEBSOCK_CFLAGS, they were the default.
- Remove LIBWEBSOCK_LIBS, and instead use a patch to switch
libwebsock configure script to use pkg-config.]
Signed-off-by: Gregory Dymarek <gregd72002@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>