clk: mpc85xx: Update the compatible string
clk: mpc85xx: Update the compatible string

The compatible string of clock is changed from *-2 to *-2.0
on chassis 2. So updated it accordingly.

Signed-off-by: Tang Yuantian <f66c2687de8c45b04592c834d7fc1c4c93da77ea@freescale.com>
Signed-off-by: Mike Turquette <6dab61939fc5e23761050a66932f032dceda5ebf@linaro.org>
[6dab61939fc5e23761050a66932f032dceda5ebf@linaro.org: improved $SUBJECT line]

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs