mc146818a: add frequency to time source and convert to use time source
treef1e059a0c845a1600748afa229e04dae22c0a6e0
-rw-r--r-- 61 .gitignore
-rw-r--r-- 615 Makefile
drwxr-xr-x - device
drwxr-xr-x - include
drwxr-xr-x - marshal
drwxr-xr-x - pc
drwxr-xr-x - test
drwxr-xr-x - time