elf_reader: refactor elfCode.symbols population into assignSymbols() method
elf_reader: refactor elfCode.symbols population into assignSymbols() method

Ignore LBB symbols since they are internal to clang, there are often many,
and they serve no purpose for loading eBPF.

Signed-off-by: Timo Beckers <98c2d5a1e48c998bd9ba9dbc53d6857beae1c9bd@isovalent.com>

cilium/ebpf,cilium/ebpf