Add the following fix patches and changes,
1. Fix return value type issue of read/write function from unistd.h.
2. Fix issue of signed and unsigned integer comparison.
3. Remove redundant header file and do some clean-up.
4. Add support for create/open the vendor error tables at rasdaemon startup.
5. Make changes in the HiSilicon error handling code for the same.
6. Add four modules supported by HiSilicon common section.
Signed-off-by: Shiju Jose <shiju.jose@huawei.com>
