[POWERPC] chrp: Constify & voidify get_property()

Now that get_property() returns a void *, there's no need to cast its
return value. Also, treat the return value as const, so we can
constify get_property later.

chrp platform changes.

Built for chrp32_defconfig

Signed-off-by: Jeremy Kerr <[email protected]>
Signed-off-by: Paul Mackerras <[email protected]>
3 files changed