chdkcamera: Add more debugging information
chdkcamera: Add more debugging information

miloh/spreads,nafraf/spreads,jbaiter/spreads,adongy/spreads,DIYBookScanner/spreads,nafraf/spreads,gareth8118/spreads,gareth8118/spreads,DIYBookScanner/spreads,adongy/spreads,jbaiter/spreads,jbaiter/spreads,DIYBookScanner/spreads,adongy/spreads,nafraf/spreads,miloh/spreads,gareth8118/spreads,miloh/spreads