Zero BSS on start, in case the ELF loader that started the kernel did not do this for us. This can happen on some embedded systems.
Zero BSS on start, in case the ELF loader that started the kernel did not
do this for us. This can happen on some embedded systems.

Submitted by:	rpaulo

jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase