RDKBACCL-761 : enable required linux utils for Fwupgrade

Reason for change : In BPI, for Firmware Upgrade support, we require certain linux utilities like e2fsprogs and gptfdisk. So, enabled in RDK-B build.
Test Procedure : The build directory should contain gptfdisk and e2fsprogs packages.
Risks : Low

Signed-off-by: pratheepa1995 <[email protected]>

Author: pratheepa1995