lisa.analysis.functions: Fix df_funcgraph() name resolution
lisa.analysis.functions: Fix df_funcgraph() name resolution

Do not expect perfect symbol address match. Instead, use the address
range of each function to resolve the names.

ARM-software/lisa,credp/lisa,credp/lisa,ARM-software/lisa,credp/lisa,ARM-software/lisa,ARM-software/lisa,credp/lisa