added a new patch to fix glibc build issue on powerpc
ppc_glibc_build_fix.patch
Added attribution to the hayes-gone.patch.
And updated the metadata variables like LICENSE & LIC_CHKSUM_FILES
And removing all the older recipes and related files
Change the linux-libc-header version inpoky-default.inc
Signed-off-by: Nitin A Kamble <nitin.a.kamble@intel.com>