libgrate: Link with -lrt to get clock_gettime

Signed-off-by: Erik Faye-Lund <kusmabite@gmail.com>
libcgc: Detect NOP-instructions

NOP is an instruction that writes r63 to 0.0.

Signed-off-by: Erik Faye-Lund <kusmabite@gmail.com>
libcgc: Handle condition codes

Signed-off-by: Erik Faye-Lund <kusmabite@gmail.com>
libcgc: Disassemble special values

Signed-off-by: Erik Faye-Lund <kusmabite@gmail.com>