Add the compiler-rt builtins like memcpy to the hexagon kernel.
Signed-off-by: NSid Manning <sidneym@codeaurora.org>
Add SYM_FUNC_START/END, ksyms exports
Signed-off-by: NBrian Cain <bcain@codeaurora.org>
Tested-by: NNick Desaulniers <ndesaulniers@google.com>