search.py: tidy up

Signed-off-by: Adrian Negreanu <adrian.m.negreanu@intel.com>
trailing space

Signed-off-by: Adrian Negreanu <adrian.m.negreanu@intel.com>
dynsections: use search.cgi to fill in the source tooltips

Signed-off-by: Adrian Negreanu <adrian.m.negreanu@intel.com>