driver: Add -Wno-macro-redefinition, properly pass -Wredef to ivlpp
driver: Add -Wno-macro-redefinition, properly pass -Wredef to ivlpp

Signed-off-by: Andrew Andrianov <02e0a999c50b1f88df7a8f5a04e1b76b35ea6a88@ncrmnt.org>

themperek/iverilog,themperek/iverilog,themperek/iverilog