Update glibc for AT 11.0
Update glibc for AT 11.0

This commit updates glibc for AT 11.0.  Since the upstream branch has
integrated (commit ID c55ad6452e2d) the fix for the malloc warning with
GCC 7 and -O3, this commit also drops the patch from the sources file.

Signed-off-by: Gabriel F. T. Gomes <ee7d6001e2118a1ad43e8ba1c329ec4fcad245b0@linux.vnet.ibm.com>

rzinsly/advance-toolchain,rzinsly/advance-toolchain,advancetoolchain/advance-toolchain,rzinsly/advance-toolchain,advancetoolchain/advance-toolchain,advancetoolchain/advance-toolchain,rzinsly/advance-toolchain,advancetoolchain/advance-toolchain,advancetoolchain/advance-toolchain,rzinsly/advance-toolchain,rzinsly/advance-toolchain,advancetoolchain/advance-toolchain